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arvind7754 commited on 21 days ago

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65c2cbb

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-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>GPS SDR Signal Generator | Educational Interface</title>
-    <!-- Leaflet CSS -->
-    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
-    <!-- Font Awesome -->
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
-    <style>
-        :root {
-            --primary: #00ff88;
-            --secondary: #00ccff;
-            --danger: #ff4444;
-            --bg-dark: #0a0e17;
-            --bg-card: rgba(20, 25, 40, 0.85);
-            --border: rgba(0, 255, 136, 0.2);
-            --text: #e0e6ed;
-            --text-muted: #8b95a8;
-        }
-        * {
-            margin: 0;
-            padding: 0;
-            box-sizing: border-box;
-        }
-        body {
-            font-family: 'Segoe UI', Roboto, monospace;
-            background: var(--bg-dark);
-            color: var(--text);
-            min-height: 100vh;
-            overflow-x: hidden;
-        }
-        /* Animated Background */
-        .bg-grid {
-            position: fixed;
-            top: 0;
-            left: 0;
-            width: 100%;
-            height: 100%;
-            background-image:
-                linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
-                linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
-            background-size: 50px 50px;
-            pointer-events: none;
-            z-index: -1;
-        }
-        .bg-glow {
-            position: fixed;
-            width: 600px;
-            height: 600px;
-            background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
-            border-radius: 50%;
-            pointer-events: none;
-            z-index: -1;
-            animation: float 20s infinite ease-in-out;
-        }
-        .bg-glow:nth-child(2) {
-            background: radial-gradient(circle, rgba(0, 204, 255, 0.1) 0%, transparent 70%);
-            animation-delay: -10s;
-            right: -200px;
-            top: 20%;
-        }
-        @keyframes float {
-            0%, 100% { transform: translate(0, 0); }
-            50% { transform: translate(100px, 50px); }
-        }
-        /* Header */
-        header {
-            background: rgba(10, 14, 23, 0.95);
-            border-bottom: 1px solid var(--border);
-            padding: 1rem 2rem;
-            position: sticky;
-            top: 0;
-            z-index: 1000;
-            backdrop-filter: blur(10px);
-        }
-        .header-content {
-            max-width: 1400px;
-            margin: 0 auto;
-            display: flex;
-            justify-content: space-between;
-            align-items: center;
-            flex-wrap: wrap;
-            gap: 1rem;
-        }
-        .logo {
-            display: flex;
-            align-items: center;
-            gap: 0.75rem;
-            font-size: 1.5rem;
-            font-weight: 700;
-            color: var(--primary);
-            text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
-        }
-        .logo i {
-            font-size: 1.75rem;
-        }
-        .built-with {
-            font-size: 0.85rem;
-            color: var(--text-muted);
-            text-decoration: none;
-            padding: 0.5rem 1rem;
-            border: 1px solid var(--border);
-            border-radius: 2rem;
-            transition: all 0.3s;
-            background: rgba(0, 255, 136, 0.05);
-        }
-        .built-with:hover {
-            background: rgba(0, 255, 136, 0.1);
-            border-color: var(--primary);
-            color: var(--primary);
-            transform: translateY(-2px);
-        }
-        /* Warning Banner */
-        .warning-banner {
-            background: linear-gradient(90deg, rgba(255, 68, 68, 0.1), rgba(255, 68, 68, 0.05));
-            border-left: 4px solid var(--danger);
-            padding: 1rem 2rem;
-            margin: 1rem auto;
-            max-width: 1400px;
-            border-radius: 0 8px 8px 0;
-            display: flex;
-            align-items: center;
-            gap: 1rem;
-            animation: pulse 2s infinite;
-        }
-        @keyframes pulse {
-            0%, 100% { opacity: 1; }
-            50% { opacity: 0.9; }
-        }
-        .warning-banner i {
-            color: var(--danger);
-            font-size: 1.5rem;
-        }
-        .warning-text {
-            flex: 1;
-        }
-        .warning-text h3 {
-            color: var(--danger);
-            margin-bottom: 0.25rem;
-            font-size: 1rem;
-        }
-        .warning-text p {
-            color: var(--text-muted);
-            font-size: 0.9rem;
-            margin: 0;
-        }
-        /* Main Container */
-        .container {
-            max-width: 1400px;
-            margin: 0 auto;
-            padding: 0 2rem 2rem;
-        }
-        /* Grid Layout */
-        .grid {
-            display: grid;
-            grid-template-columns: 1fr 1fr;
-            gap: 1.5rem;
-            margin-top: 1.5rem;
-        }
-        @media (max-width: 1024px) {
-            .grid {
-                grid-template-columns: 1fr;
-            }
-        }
-        /* Cards */
-        .card {
-            background: var(--bg-card);
-            border: 1px solid var(--border);
-            border-radius: 16px;
-            padding: 1.5rem;
-            backdrop-filter: blur(10px);
-            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
-            transition: transform 0.3s, box-shadow 0.3s;
-        }
-        .card:hover {
-            transform: translateY(-2px);
-            box-shadow: 0 12px 40px rgba(0, 255, 136, 0.1);
-        }
-        .card-header {
-            display: flex;
-            align-items: center;
-            gap: 0.75rem;
-            margin-bottom: 1.5rem;
-            padding-bottom: 1rem;
-            border-bottom: 1px solid var(--border);
-        }
-        .card-header h2 {
-            font-size: 1.25rem;
-            color: var(--primary);
-            font-weight: 600;
-        }
-        .card-header i {
-            color: var(--secondary);
-            font-size: 1.2rem;
-        }
-        /* Map Container */
-        #map {
-            height: 400px;
-            border-radius: 12px;
-            border: 1px solid var(--border);
-            z-index: 1;
-        }
-        /* Form Elements */
-        .form-group {
-            margin-bottom: 1.25rem;
-        }
-        label {
-            display: block;
-            margin-bottom: 0.5rem;
-            color: var(--text-muted);
-            font-size: 0.9rem;
-            font-weight: 500;
-        }
-        input, select, textarea {
-            width: 100%;
-            padding: 0.75rem 1rem;
-            background: rgba(0, 0, 0, 0.3);
-            border: 1px solid var(--border);
-            border-radius: 8px;
-            color: var(--text);
-            font-family: inherit;
-            font-size: 0.95rem;
-            transition: all 0.3s;
-        }
-        input:focus, select:focus, textarea:focus {
-            outline: none;
-            border-color: var(--primary);
-            box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
-        }
-        .input-group {
-            display: flex;
-            gap: 0.5rem;
-        }
-        .input-group input {
-            flex: 1;
-        }
-        .btn {
-            padding: 0.75rem 1.5rem;
-            border: none;
-            border-radius: 8px;
-            font-family: inherit;
-            font-weight: 600;
-            cursor: pointer;
-            transition: all 0.3s;
-            display: inline-flex;
-            align-items: center;
-            gap: 0.5rem;
-            font-size: 0.95rem;
-        }
-        .btn-primary {
-            background: linear-gradient(135deg, var(--primary), var(--secondary));
-            color: #000;
-        }
-        .btn-primary:hover {
-            transform: translateY(-2px);
-            box-shadow: 0 4px 20px rgba(0, 255, 136, 0.4);
-        }
-        .btn-secondary {
-            background: rgba(0, 204, 255, 0.1);
-            color: var(--secondary);
-            border: 1px solid var(--secondary);
-        }
-        .btn-secondary:hover {
-            background: rgba(0, 204, 255, 0.2);
-        }
-        .btn-danger {
-            background: rgba(255, 68, 68, 0.1);
-            color: var(--danger);
-            border: 1px solid var(--danger);
-        }
-        /* Satellite Visualizer */
-        .satellite-view {
-            position: relative;
-            height: 300px;
-            background: radial-gradient(circle at center, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
-            border-radius: 12px;
-            border: 1px solid var(--border);
-            overflow: hidden;
-        }
-        .earth-center {
-            position: absolute;
-            top: 50%;
-            left: 50%;
-            transform: translate(-50%, -50%);
-            width: 40px;
-            height: 40px;
-            background: var(--secondary);
-            border-radius: 50%;
-            box-shadow: 0 0 30px rgba(0, 204, 255, 0.5);
-            z-index: 10;
-        }
-        .satellite {
-            position: absolute;
-            width: 12px;
-            height: 12px;
-            background: var(--primary);
-            border-radius: 50%;
-            box-shadow: 0 0 10px var(--primary);
-            transition: all 0.5s;
-            cursor: pointer;
-        }
-        .satellite::after {
-            content: attr(data-prn);
-            position: absolute;
-            top: -20px;
-            left: 50%;
-            transform: translateX(-50%);
-            font-size: 0.7rem;
-            color: var(--text-muted);
-            white-space: nowrap;
-        }
-        .orbit-ring {
-            position: absolute;
-            border: 1px solid rgba(0, 255, 136, 0.1);
-            border-radius: 50%;
-            top: 50%;
-            left: 50%;
-            transform: translate(-50%, -50%);
-        }
-        /* Console Output */
-        .console {
-            background: #050810;
-            border: 1px solid var(--border);
-            border-radius: 8px;
-            padding: 1rem;
-            font-family: 'Courier New', monospace;
-            font-size: 0.85rem;
-            color: var(--primary);
-            height: 200px;
-            overflow-y: auto;
-            margin-top: 1rem;
-        }
-        .console-line {
-            margin-bottom: 0.5rem;
-            opacity: 0;
-            animation: fadeIn 0.3s forwards;
-        }
-        @keyframes fadeIn {
-            to { opacity: 1; }
-        }
-        .console-prompt {
-            color: var(--secondary);
-        }
-        .console-error {
-            color: var(--danger);
-        }
-        .console-success {
-            color: #00ff00;
-        }
-        /* Command Block */
-        .command-block {
-            background: rgba(0, 0, 0, 0.5);
-            border: 1px solid var(--border);
-            border-radius: 8px;
-            padding: 1rem;
-            margin-top: 1rem;
-            position: relative;
-            overflow: hidden;
-        }
-        .command-block::before {
-            content: '';
-            position: absolute;
-            left: 0;
-            top: 0;
-            height: 100%;
-            width: 3px;
-            background: var(--primary);
-        }
-        .command-text {
-            font-family: 'Courier New', monospace;
-            color: var(--primary);
-            word-break: break-all;
-            line-height: 1.5;
-        }
-        .copy-btn {
-            position: absolute;
-            top: 0.5rem;
-            right: 0.5rem;
-            background: rgba(255, 255, 255, 0.1);
-            border: none;
-            color: var(--text);
-            padding: 0.25rem 0.75rem;
-            border-radius: 4px;
-            cursor: pointer;
-            font-size: 0.8rem;
-        }
-        .copy-btn:hover {
-            background: rgba(255, 255, 255, 0.2);
-        }
-        /* Status Indicators */
-        .status-grid {
-            display: grid;
-            grid-template-columns: repeat(2, 1fr);
-            gap: 1rem;
-            margin-top: 1rem;
-        }
-        .status-item {
-            background: rgba(0, 0, 0, 0.2);
-            padding: 1rem;
-            border-radius: 8px;
-            border: 1px solid var(--border);
-        }
-        .status-label {
-            font-size: 0.8rem;
-            color: var(--text-muted);
-            margin-bottom: 0.25rem;
-        }
-        .status-value {
-            font-size: 1.1rem;
-            font-weight: 600;
-            color: var(--primary);
-            font-family: monospace;
-        }
-        /* Tabs */
-        .tabs {
-            display: flex;
-            gap: 0.5rem;
-            margin-bottom: 1rem;
-            border-bottom: 1px solid var(--border);
-            padding-bottom: 0.5rem;
-        }
-        .tab {
-            padding: 0.5rem 1rem;
-            background: none;
-            border: none;
-            color: var(--text-muted);
-            cursor: pointer;
-            border-radius: 6px;
-            transition: all 0.3s;
-            font-size: 0.9rem;
-        }
-        .tab.active {
-            background: rgba(0, 255, 136, 0.1);
-            color: var(--primary);
-        }
-        .tab:hover:not(.active) {
-            background: rgba(255, 255, 255, 0.05);
-            color: var(--text);
-        }
-        .tab-content {
-            display: none;
-        }
-        .tab-content.active {
-            display: block;
-            animation: fadeIn 0.3s;
-        }
-        /* Responsive */
-        @media (max-width: 768px) {
-            .header-content {
-                flex-direction: column;
-                text-align: center;
-            }
-            .status-grid {
-                grid-template-columns: 1fr;
-            }
-            .input-group {
-                flex-direction: column;
-            }
-        }
-        /* Scrollbar */
-        ::-webkit-scrollbar {
-            width: 8px;
-            height: 8px;
-        }
-        ::-webkit-scrollbar-track {
-            background: var(--bg-dark);
-        }
-        ::-webkit-scrollbar-thumb {
-            background: var(--border);
-            border-radius: 4px;
-        }
-        ::-webkit-scrollbar-thumb:hover {
-            background: var(--primary);
-        }
-        /* Checkbox styling */
-        .checkbox-group {
-            display: flex;
-            align-items: center;
-            gap: 0.5rem;
-            margin-bottom: 0.75rem;
-        }
-        .checkbox-group input[type="checkbox"] {
-            width: auto;
-            accent-color: var(--primary);
-        }
-        .checkbox-group label {
-            margin: 0;
-            cursor: pointer;
-        }
-    </style>
-</head>
-<body>
-    <div class="bg-grid"></div>
-    <div class="bg-glow" style="left: -200px; top: 10%;"></div>
-    <div class="bg-glow"></div>
-    <header>
-        <div class="header-content">
-            <div class="logo">
-                <i class="fas fa-satellite-dish"></i>
-                <span>GPS SDR Generator</span>
-            </div>
-            <a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank" class="built-with">
-                <i class="fas fa-code"></i> Built with anycoder
-            </a>
-        </div>
-    </header>
-    <div class="warning-banner">
-        <i class="fas fa-exclamation-triangle"></i>
-        <div class="warning-text">
-            <h3>LEGAL NOTICE & SAFETY WARNING</h3>
-            <p>GPS signal transmission is regulated by law. This tool generates configuration for gps-sdr-sim for educational and authorized testing purposes only. Unauthorized GPS spoofing is illegal and dangerous. Always ensure you have proper authorization and are in a shielded environment before transmitting.</p>
-        </div>
-    </div>
-    <div class="container">
-        <div class="grid">
-            <!-- Left Column: Map and Coordinates -->
-            <div class="card">
-                <div class="card-header">
-                    <i class="fas fa-map-marked-alt"></i>
-                    <h2>Target Coordinates</h2>
-                </div>
-                <div id="map"></div>
-                <div class="status-grid" style="margin-top: 1rem;">
-                    <div class="status-item">
-                        <div class="status-label">Latitude</div>
-                        <div class="status-value" id="lat-display">40.7128° N</div>
-                    </div>
-                    <div class="status-item">
-                        <div class="status-label">Longitude</div>
-                        <div class="status-value" id="lon-display">74.0060° W</div>
-                    </div>
-                    <div class="status-item">
-                        <div class="status-label">Altitude</div>
-                        <div class="status-value" id="alt-display">10 m</div>
-                    </div>
-                    <div class="status-item">
-                        <div class="status-label">Satellites</div>
-                        <div class="status-value" id="sat-count">8 Visible</div>
-                    </div>
-                </div>
-                <div class="form-group" style="margin-top: 1rem;">
-                    <label>Manual Coordinates Input</label>
-                    <div class="input-group">
-                        <input type="number" id="manual-lat" placeholder="Latitude" step="0.0001" value="40.7128">
-                        <input type="number" id="manual-lon" placeholder="Longitude" step="0.0001" value="-74.0060">
-                        <button class="btn btn-secondary" onclick="updateMapFromInput()">
-                            <i class="fas fa-location-arrow"></i>
-                        </button>
-                    </div>
-                </div>
-            </div>
-            <!-- Right Column: Configuration -->
-            <div class="card">
-                <div class="card-header">
-                    <i class="fas fa-sliders-h"></i>
-                    <h2>Signal Configuration</h2>
-                </div>
-                <div class="tabs">
-                    <button class="tab active" onclick="switchTab('basic')">Basic</button>
-                    <button class="tab" onclick="switchTab('advanced')">Advanced</button>
-                    <button class="tab" onclick="switchTab('trajectory')">Trajectory</button>
-                </div>
-                <div id="basic-tab" class="tab-content active">
-                    <div class="form-group">
-                        <label>Simulation Mode</label>
-                        <select id="sim-mode">
-                            <option value="static">Static Position</option>
-                            <option value="dynamic">Dynamic (User-defined)</option>
-                            <option value="circle">Circular Motion</option>
-                            <option value="line">Linear Path</option>
-                        </select>
-                    </div>
-                    <div class="form-group">
-                        <label>Signal Duration (seconds)</label>
-                        <input type="number" id="duration" value="300" min="1" max="3600">
-                    </div>
-                    <div class="form-group">
-                        <label>Sample Rate (MHz)</label>
-                        <select id="sample-rate">
-                            <option value="2.6">2.6 MHz (Default)</option>
-                            <option value="5.0">5.0 MHz</option>
-                            <option value="10.0">10.0 MHz</option>
-                            <option value="20.0">20.0 MHz</option>
-                        </select>
-                    </div>
-                    <div class="form-group">
-                        <label>GPS Date & Time</label>
-                        <input type="datetime-local" id="gps-time">
-                    </div>
-                </div>
-                <div id="advanced-tab" class="tab-content">
-                    <div class="form-group">
-                        <label>Signal Power (dB)</label>
-                        <input type="range" id="power" min="-100" max="-50" value="-80" style="width: 100%;">
-                        <div style="text-align: center; color: var(--primary); margin-top: 0.5rem;">
-                            <span id="power-value">-80</span> dBm
-                        </div>
-                    </div>
-                    <div class="checkbox-group">
-                        <input type="checkbox" id="iono-model" checked>
-                        <label for="iono-model">Enable Ionospheric Model</label>
-                    </div>
-                    <div class="checkbox-group">
-                        <input type="checkbox" id="tropo-model" checked>
-                        <label for="tropo-model">Enable Tropospheric Model</label>
-                    </div>
-                    <div class="checkbox-group">
-                        <input type="checkbox" id="noise" checked>
-                        <label for="noise">Add AWGN Noise</label>
-                    </div>
-                    <div class="form-group">
-                        <label>PRN Satellites (1-32, comma separated)</label>
-                        <input type="text" id="prn-list" placeholder="1,2,3,4,5,6,7,8" value="1,2,3,4,5,6,7,8">
-                    </div>
-                </div>
-                <div id="trajectory-tab" class="tab-content">
-                    <div class="form-group">
-                        <label>Movement Speed (m/s)</label>
-                        <input type="number" id="speed" value="5" min="0" max="100">
-                    </div>
-                    <div class="form-group">
-                        <label>Path Direction (degrees)</label>
-                        <input type="number" id="direction" value="0" min="0" max="360">
-                    </div>
-                    <div class="form-group">
-                        <label>Circle Radius (m) - For circular mode</label>
-                        <input type="number" id="radius" value="100" min="10" max="10000">
-                    </div>
-                </div>
-                <button class="btn btn-primary" style="width: 100%; margin-top: 1rem;" onclick="generateCommand()">
-                    <i class="fas fa-terminal"></i> Generate Windows Command
-                </button>
-            </div>
-        </div>
-        <!-- Satellite Visualization -->
-        <div class="card" style="margin-top: 1.5rem;">
-            <div class="card-header">
-                <i class="fas fa-satellite"></i>
-                <h2>GPS Constellation Visualization</h2>
-            </div>
-            <div class="satellite-view" id="sat-view">
-                <div class="earth-center"></div>
-                <!-- Orbit rings -->
-                <div class="orbit-ring" style="width: 100px; height: 100px;"></div>
-                <div class="orbit-ring" style="width: 150px; height: 150px;"></div>
-                <div class="orbit-ring" style="width: 200px; height: 200px;"></div>
-                <div class="orbit-ring" style="width: 250px; height: 250px;"></div>
-            </div>
-            <p style="margin-top: 1rem; color: var(--text-muted); font-size: 0.9rem;">
-                <i class="fas fa-info-circle"></i>
-                Visual representation of visible satellites based on selected location and time. Blue dot represents receiver position.
-            </p>
-        </div>
-        <!-- Command Output -->
-        <div class="card" style="margin-top: 1.5rem;">
-            <div class="card-header">
-                <i class="fas fa-code"></i>
-                <h2>Generated Command</h2>
-            </div>
-            <div class="command-block">
-                <button class="copy-btn" onclick="copyCommand()">
-                    <i class="fas fa-copy"></i> Copy
-                </button>
-                <div class="command-text" id="command-output">
-                    # Click "Generate Windows Command" to create gps-sdr-sim command...
-                </div>
-            </div>
-            <div class="console" id="console">
-                <div class="console-line">
-                    <span class="console-prompt">$</span> Ready. Configure parameters and generate command.
-                </div>
-            </div>
-            <div style="margin-top: 1.5rem; padding: 1rem; background: rgba(0,0,0,0.3); border-radius: 8px; border-left: 3px solid var(--secondary);">
-                <h4 style="color: var(--secondary); margin-bottom: 0.5rem;"><i class="fas fa-info-circle"></i> Windows Setup Instructions</h4>
-                <ol style="color: var(--text-muted); padding-left: 1.2rem; line-height: 1.8; font-size: 0.9rem;">
-                    <li>Install <a href="https://github.com/osqzss/gps-sdr-sim" target="_blank" style="color: var(--primary);">gps-sdr-sim</a> for Windows (requires Visual Studio Build Tools)</li>
-                    <li>Install <a href="https://github.com/greatscottgadgets/hackrf/releases" target="_blank" style="color: var(--primary);">HackRF Tools</a> for Windows</li>
-                    <li>Ensure HackRF One is connected and drivers are installed (Zadig)</li>
-                    <li>Run the generated command in Command Prompt or PowerShell</li>
-                    <li><strong style="color: var(--danger);">Verify you are in a shielded room or have authorization before transmitting!</strong></li>
-                </ol>
-            </div>
-        </div>
-    </div>
-    <!-- Leaflet JS -->
-    <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
-    <script>
-        // Initialize map
-        const map = L.map('map').setView([40.7128, -74.0060], 13);
-        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
-            attribution: '© OpenStreetMap contributors',
-            maxZoom: 19
-        }).addTo(map);
-        let marker = L.marker([40.7128, -74.0060], {
-            draggable: true,
-            icon: L.divIcon({
-                className: 'custom-marker',
-                html: '<div style="background: #00ff88; width: 20px; height: 20px; border-radius: 50%; border: 3px solid white; box-shadow: 0 0 10px rgba(0,255,136,0.5);"></div>',
-                iconSize: [20, 20],
-                iconAnchor: [10, 10]
-            })
-        }).addTo(map);
-        // Update coordinates on marker drag
-        marker.on('dragend', function(e) {
-            const pos = marker.getLatLng();
-            updateCoordinates(pos.lat, pos.lng);
-        });
-        // Map click to move marker
-        map.on('click', function(e) {
-            marker.setLatLng(e.latlng);
-            updateCoordinates(e.latlng.lat, e.latlng.lng);
-        });
-        function updateCoordinates(lat, lon) {
-            document.getElementById('lat-display').textContent = lat.toFixed(4) + '° ' + (lat >= 0 ? 'N' : 'S');
-            document.getElementById('lon-display').textContent = Math.abs(lon).toFixed(4) + '° ' + (lon >= 0 ? 'E' : 'W');
-            document.getElementById('manual-lat').value = lat.toFixed(4);
-            document.getElementById('manual-lon').value = lon.toFixed(4);
-            updateSatelliteView();
-        }
-        function updateMapFromInput() {
-            const lat = parseFloat(document.getElementById('manual-lat').value);
-            const lon = parseFloat(document.getElementById('manual-lon').value);
-            if (!isNaN(lat) && !isNaN(lon)) {
-                marker.setLatLng([lat, lon]);
-                map.setView([lat, lon], 13);
-                updateCoordinates(lat, lon);
-            }
-        }
-        // Set default time to now
-        const now = new Date();
-        now.setMinutes(now.getMinutes() - now.getTimezoneOffset());
-        document.getElementById('gps-time').value = now.toISOString().slice(0, 16);
-        // Tab switching
-        function switchTab(tabName) {
-            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
-            document.querySelectorAll('.tab-content').forEach(t => t.classList.remove('active'));
-            event.target.classList.add('active');
-            document.getElementById(tabName + '-tab').classList.add('active');
-        }
-        // Power slider update
-        document.getElementById('power').addEventListener('input', function(e) {
-            document.getElementById('power-value').textContent = e.target.value;
-        });
-        // Satellite visualization
-        function updateSatelliteView() {
-            const container = document.getElementById('sat-view');
-            // Clear existing satellites
-            container.querySelectorAll('.satellite').forEach(s => s.remove());
-            // Generate random satellite positions for visualization
-            const satCount = 8;
-            for (let i = 0; i < satCount; i++) {
-                const sat = document.createElement('div');
-                sat.className = 'satellite';
-                sat.setAttribute('data-prn', 'G' + (i + 1));
-                const angle = (i / satCount) * 2 * Math.PI;
-                const radius = 60 + (i % 3) * 40;
-                const x = 50 + (radius / 300 * 100) * Math.cos(angle);
-                const y = 50 + (radius / 300 * 100) * Math.sin(angle);
-                sat.style.left = x + '%';
-                sat.style.top = y + '%';
-                sat.style.animationDelay = (i * 0.2) + 's';
-                container.appendChild(sat);
-            }
-        }
-        updateSatelliteView();
-        // Console logging
-        function log(message, type = 'info') {
-            const console = document.getElementById('console');
-            const line = document.createElement('div');
-            line.className = 'console-line';
-            const timestamp = new Date().toLocaleTimeString();
-            let prefix = '<span class="console-prompt">[' + timestamp + ']</span> ';
-            if (type === 'error') {
-                line.innerHTML = prefix + '<span class="console-error">' + message + '</span>';
-            } else if (type === 'success') {
-                line.innerHTML = prefix + '<span class="console-success">' + message + '</span>';
-            } else {
-                line.innerHTML = prefix + message;
-            }
-            console.appendChild(line);
-            console.scrollTop = console.scrollHeight;
-        }
-        // Generate command
-        function generateCommand() {
-            const lat = document.getElementById('manual-lat').value;
-            const lon = document.getElementById('manual-lon').value;
-            const mode = document.getElementById('sim-mode').value;
-            const duration = document.getElementById('duration').value;
-            const sampleRate = document.getElementById('sample-rate').value;
-            const power = document.getElementById('power').value;
-            const time = document.getElementById('gps-time').value;
-            if (!lat || !lon) {
-                log('Error: Please select coordinates on the map', 'error');
-                return;
-            }
-            // Format time for gps-sdr-sim (YYYYMMDD HHMMSS)
-            const dateObj = new Date(time);
-            const dateStr = dateObj.getFullYear().toString() +
-                           String(dateObj.getMonth() + 1).padStart(2, '0') +
-                           String(dateObj.getDate()).padStart(2, '0');
-            const timeStr = String(dateObj.getHours()).padStart(2, '0') +
-                           String(dateObj.getMinutes()).padStart(2, '0') +
-                           String(dateObj.getSeconds()).padStart(2, '0');
-            let command = 'gps-sdr-sim.exe';
-            // Add parameters
-            command += ' -e brdc3540.14n'; // Ephemeris file (example)
-            command += ' -l ' + lat + ',' + lon + ',10'; // Lat, Lon, Alt
-            command += ' -d ' + duration; // Duration
-            command += ' -s ' + sampleRate; // Sample rate
-            if (mode === 'dynamic') {
-                command += ' -t ' + dateStr + ',' + timeStr; // Start time
-                command += ' -v 5,0'; // Velocity (example)
-            } else if (mode === 'circle') {
-                const radius = document.getElementById('radius').value;
-                command += ' -c ' + radius; // Circle radius
-            }
-            // Add gain/power adjustment via -g (if supported by version)
-            command += ' -g ' + (parseInt(power) + 100); // Convert dB to gain value
-            // Output file
-            command += ' -o gpssim.bin';
-            // HackRF transmit command (separate step)
-            const hackrfCmd = '\n\n:: Then transmit with HackRF:\nhackrf_transfer.exe -t gpssim.bin -f 1575420000 -s ' + sampleRate + '000000 -a 1 -x 40';
-            document.getElementById('command-output').textContent = command + hackrfCmd;
-            log('Command generated successfully', 'success');
-            log('Coordinates: ' + lat + ', ' + lon);
-            log('Mode: ' + mode + ', Duration: ' + duration + 's');
-            log('Ready for execution on Windows', 'success');
-        }
-        function copyCommand() {
-            const text = document.getElementById('command-output').textContent;
-            navigator.clipboard.writeText(text).then(() => {
-                log('Command copied to clipboard', 'success');
-            }).catch(() => {
-                log('Failed to copy', 'error');
-            });
-        }
-        // Initial log
-        setTimeout(() => {
-            log('GPS SDR Interface initialized');
-            log('HackRF One detected on USB (simulated)');
-            log('Waiting for user input...');
-        }, 500);
-    </script>
-</body>
-</html>

+#!/usr/bin/env python3
+"""
+GPS SDR Signal Generator - Educational Interface
+Built with anycoder - https://huggingface.co/spaces/akhaliq/anycoder
+"""
+import tkinter as tk
+from tkinter import ttk, messagebox, scrolledtext
+from tkinter import font as tkfont
+import webbrowser
+import math
+import random
+from datetime import datetime, timedelta
+import threading
+import time
+class GPSSDRApp:
+    def __init__(self, root):
+        self.root = root
+        self.root.title("GPS SDR Signal Generator | Educational Interface")
+        self.root.geometry("1400x900")
+        self.root.minsize(1200, 800)
+        # Colors - Cyberpunk/GPS theme
+        self.colors = {
+            'bg_dark': '#0a0e17',
+            'bg_card': '#141928',
+            'primary': '#00ff88',
+            'secondary': '#00ccff',
+            'danger': '#ff4444',
+            'text': '#e0e6ed',
+            'text_muted': '#8b95a8',
+            'border': '#00ff8820'
+        }
+        # Configure root
+        self.root.configure(bg=self.colors['bg_dark'])
+        # Custom fonts
+        self.fonts = {
+            'header': tkfont.Font(family='Segoe UI', size=16, weight='bold'),
+            'title': tkfont.Font(family='Segoe UI', size=12, weight='bold'),
+            'normal': tkfont.Font(family='Segoe UI', size=10),
+            'mono': tkfont.Font(family='Courier New', size=10),
+            'small': tkfont.Font(family='Segoe UI', size=9)
+        }
+        # Variables
+        self.lat_var = tk.DoubleVar(value=40.7128)
+        self.lon_var = tk.DoubleVar(value=-74.0060)
+        self.alt_var = tk.DoubleVar(value=10)
+        self.duration_var = tk.IntVar(value=300)
+        self.sample_rate_var = tk.StringVar(value='2.6')
+        self.power_var = tk.IntVar(value=-80)
+        self.mode_var = tk.StringVar(value='static')
+        self.speed_var = tk.DoubleVar(value=5)
+        self.direction_var = tk.DoubleVar(value=0)
+        self.radius_var = tk.DoubleVar(value=100)
+        self.prn_var = tk.StringVar(value='1,2,3,4,5,6,7,8')
+        self.iono_var = tk.BooleanVar(value=True)
+        self.tropo_var = tk.BooleanVar(value=True)
+        self.noise_var = tk.BooleanVar(value=True)
+        # Satellite animation
+        self.satellites = []
+        self.animating = False
+        self.setup_styles()
+        self.create_ui()
+        self.start_satellite_animation()
+        # Initial log
+        self.after_init()
+    def setup_styles(self):
+        """Configure ttk styles for modern look"""
+        style = ttk.Style()
+        style.theme_use('clam')
+        # Configure styles
+        style.configure('Custom.TFrame', background=self.colors['bg_dark'])
+        style.configure('Card.TFrame', background=self.colors['bg_card'])
+        style.configure('Custom.TLabel',
+                       background=self.colors['bg_card'],
+                       foreground=self.colors['text'],
+                       font=self.fonts['normal'])
+        style.configure('Title.TLabel',
+                       background=self.colors['bg_card'],
+                       foreground=self.colors['primary'],
+                       font=self.fonts['title'])
+        style.configure('Muted.TLabel',
+                       background=self.colors['bg_card'],
+                       foreground=self.colors['text_muted'],
+                       font=self.fonts['small'])
+        style.configure('Custom.TButton',
+                       background=self.colors['primary'],
+                       foreground='#000000',
+                       font=self.fonts['normal'],
+                       padding=10)
+        style.configure('Secondary.TButton',
+                       background=self.colors['bg_card'],
+                       foreground=self.colors['secondary'],
+                       font=self.fonts['normal'])
+        style.configure('Danger.TButton',
+                       background=self.colors['bg_card'],
+                       foreground=self.colors['danger'],
+                       font=self.fonts['normal'])
+        style.configure('Custom.TEntry',
+                       fieldbackground='#050810',
+                       foreground=self.colors['text'],
+                       insertcolor=self.colors['primary'])
+        style.configure('Custom.TCombobox',
+                       fieldbackground='#050810',
+                       foreground=self.colors['text'])
+        # Notebook (tabs)
+        style.configure('Custom.TNotebook',
+                       background=self.colors['bg_card'],
+                       tabmargins=[2, 5, 2, 0])
+        style.configure('Custom.TNotebook.Tab',
+                       background=self.colors['bg_dark'],
+                       foreground=self.colors['text_muted'],
+                       padding=[15, 8],
+                       font=self.fonts['normal'])
+        style.map('Custom.TNotebook.Tab',
+                  background=[('selected', self.colors['bg_card'])],
+                  foreground=[('selected', self.colors['primary'])],
+                  expand=[('selected', [1, 1, 1, 0])])
+        # Scale
+        style.configure('Custom.Horizontal.TScale',
+                       background=self.colors['bg_card'],
+                       troughcolor='#050810')
+    def create_ui(self):
+        """Create the main user interface"""
+        # Main container with padding
+        main_container = tk.Frame(self.root, bg=self.colors['bg_dark'])
+        main_container.pack(fill=tk.BOTH, expand=True, padx=20, pady=20)
+        # Header
+        self.create_header(main_container)
+        # Warning banner
+        self.create_warning_banner(main_container)
+        # Content area
+        content = tk.Frame(main_container, bg=self.colors['bg_dark'])
+        content.pack(fill=tk.BOTH, expand=True, pady=15)
+        # Two-column layout
+        content.grid_columnconfigure(0, weight=1)
+        content.grid_columnconfigure(1, weight=1)
+        content.grid_rowconfigure(0, weight=1)
+        # Left column - Map and Coordinates
+        left_frame = self.create_left_column(content)
+        left_frame.grid(row=0, column=0, sticky='nsew', padx=(0, 10))
+        # Right column - Configuration
+        right_frame = self.create_right_column(content)
+        right_frame.grid(row=0, column=1, sticky='nsew', padx=(10, 0))
+        # Bottom section - Satellite visualization and Command output
+        bottom_frame = self.create_bottom_section(main_container)
+        bottom_frame.pack(fill=tk.BOTH, expand=True, pady=(15, 0))
+    def create_header(self, parent):
+        """Create the header with logo and built-with link"""
+        header = tk.Frame(parent, bg='#0d1117', height=60)
+        header.pack(fill=tk.X, pady=(0, 10))
+        header.pack_propagate(False)
+        # Left side - Logo
+        logo_frame = tk.Frame(header, bg='#0d1117')
+        logo_frame.pack(side=tk.LEFT, padx=20, pady=10)
+        # Satellite icon (using text as icon)
+        icon_label = tk.Label(logo_frame, text='🛰️',
+                             bg='#0d1117', fg=self.colors['primary'],
+                             font=('Segoe UI', 20))
+        icon_label.pack(side=tk.LEFT, padx=(0, 10))
+        title_label = tk.Label(logo_frame, text='GPS SDR Generator',
+                              bg='#0d1117', fg=self.colors['primary'],
+                              font=self.fonts['header'])
+        title_label.pack(side=tk.LEFT)
+        # Right side - Built with link
+        built_btn = tk.Label(header, text='🔧 Built with anycoder',
+                            bg='#0d1117', fg=self.colors['text_muted'],
+                            font=self.fonts['small'],
+                            cursor='hand2',
+                            padx=15, pady=5)
+        built_btn.pack(side=tk.RIGHT, padx=20)
+        built_btn.bind('<Enter>', lambda e: built_btn.config(fg=self.colors['primary']))
+        built_btn.bind('<Leave>', lambda e: built_btn.config(fg=self.colors['text_muted']))
+        built_btn.bind('<Button-1>', lambda e: webbrowser.open('https://huggingface.co/spaces/akhaliq/anycoder'))
+    def create_warning_banner(self, parent):
+        """Create the legal warning banner"""
+        banner = tk.Frame(parent, bg='#ff444415', highlightbackground=self.colors['danger'],
+                         highlightthickness=2, highlightcolor=self.colors['danger'])
+        banner.pack(fill=tk.X, pady=(0, 10))
+        # Left border accent
+        left_accent = tk.Frame(banner, bg=self.colors['danger'], width=4)
+        left_accent.pack(side=tk.LEFT, fill=tk.Y)
+        content = tk.Frame(banner, bg='#ff444415', padx=15, pady=12)
+        content.pack(fill=tk.BOTH, expand=True)
+        # Warning icon
+        icon_label = tk.Label(content, text='⚠️', bg='#ff444415',
+                             fg=self.colors['danger'], font=('Segoe UI', 24))
+        icon_label.pack(side=tk.LEFT, padx=(0, 15))
+        # Text content
+        text_frame = tk.Frame(content, bg='#ff444415')
+        text_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
+        title = tk.Label(text_frame, text='LEGAL NOTICE & SAFETY WARNING',
+                        bg='#ff444415', fg=self.colors['danger'],
+                        font=self.fonts['title'])
+        title.pack(anchor='w')
+        desc = tk.Label(text_frame,
+                       text='GPS signal transmission is regulated by law. This tool generates configuration for gps-sdr-sim for educational and authorized testing purposes only. Unauthorized GPS spoofing is illegal and dangerous. Always ensure you have proper authorization and are in a shielded environment before transmitting.',
+                       bg='#ff444415', fg=self.colors['text_muted'],
+                       font=self.fonts['small'], wraplength=800, justify=tk.LEFT)
+        desc.pack(anchor='w', pady=(5, 0))
+    def create_left_column(self, parent):
+        """Create left column with map and coordinates"""
+        frame = tk.Frame(parent, bg=self.colors['bg_card'],
+                        highlightbackground=self.colors['border'],
+                        highlightthickness=1, padx=20, pady=20)
+        frame.grid_propagate(False)
+        # Header
+        header = tk.Frame(frame, bg=self.colors['bg_card'])
+        header.pack(fill=tk.X, pady=(0, 15))
+        tk.Label(header, text='🗺️', bg=self.colors['bg_card'],
+                fg=self.colors['secondary'], font=('Segoe UI', 16)).pack(side=tk.LEFT)
+        tk.Label(header, text='Target Coordinates', bg=self.colors['bg_card'],
+                fg=self.colors['primary'], font=self.fonts['title']).pack(side=tk.LEFT, padx=10)
+        # Map canvas (simulated map)
+        self.map_canvas = tk.Canvas(frame, bg='#050810', height=300,
+                                   highlightthickness=1, highlightbackground=self.colors['border'])
+        self.map_canvas.pack(fill=tk.BOTH, expand=True, pady=(0, 15))
+        # Draw grid pattern on map
+        self.draw_map_grid()
+        # Map marker (draggable)
+        self.map_marker = self.map_canvas.create_oval(0, 0, 20, 20,
+                                                     fill=self.colors['primary'],
+                                                     outline='white', width=2)
+        self.update_map_marker()
+        # Bind map interactions
+        self.map_canvas.bind('<Button-1>', self.on_map_click)
+        self.map_canvas.bind('<B1-Motion>', self.on_map_drag)
+        # Status grid
+        status_frame = tk.Frame(frame, bg=self.colors['bg_card'])
+        status_frame.pack(fill=tk.X, pady=(0, 15))
+        status_frame.grid_columnconfigure(0, weight=1)
+        status_frame.grid_columnconfigure(1, weight=1)
+        # Status items
+        self.status_items = {}
+        status_data = [
+            ('Latitude', 'lat-display', '40.7128° N'),
+            ('Longitude', 'lon-display', '74.0060° W'),
+            ('Altitude', 'alt-display', '10 m'),
+            ('Satellites', 'sat-count', '8 Visible')
+        ]
+        for i, (label, key, value) in enumerate(status_data):
+            row = i // 2
+            col = i % 2
+            item = tk.Frame(status_frame, bg='#050810', padx=10, pady=8,
+                          highlightbackground=self.colors['border'],
+                          highlightthickness=1)
+            item.grid(row=row, column=col, sticky='nsew', padx=5, pady=5)
+            tk.Label(item, text=label, bg='#050810',
+                    fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w')
+            value_label = tk.Label(item, text=value, bg='#050810',
+                                  fg=self.colors['primary'], font=self.fonts['mono'])
+            value_label.pack(anchor='w')
+            self.status_items[key] = value_label
+        # Manual input
+        input_frame = tk.Frame(frame, bg=self.colors['bg_card'])
+        input_frame.pack(fill=tk.X)
+        tk.Label(input_frame, text='Manual Coordinates Input', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 8))
+        input_row = tk.Frame(input_frame, bg=self.colors['bg_card'])
+        input_row.pack(fill=tk.X)
+        self.lat_entry = tk.Entry(input_row, textvariable=self.lat_var,
+                                 bg='#050810', fg=self.colors['text'],
+                                 insertbackground=self.colors['primary'],
+                                 font=self.fonts['mono'], width=15)
+        self.lat_entry.pack(side=tk.LEFT, padx=(0, 5))
+        self.lon_entry = tk.Entry(input_row, textvariable=self.lon_var,
+                                 bg='#050810', fg=self.colors['text'],
+                                 insertbackground=self.colors['primary'],
+                                 font=self.fonts['mono'], width=15)
+        self.lon_entry.pack(side=tk.LEFT, padx=5)
+        update_btn = tk.Button(input_row, text='📍 Update',
+                              bg=self.colors['secondary'], fg='#000',
+                              font=self.fonts['small'], padx=10, pady=5,
+                              command=self.update_from_input,
+                              cursor='hand2', relief=tk.FLAT)
+        update_btn.pack(side=tk.LEFT, padx=5)
+        return frame
+    def draw_map_grid(self):
+        """Draw grid pattern on map canvas"""
+        width = 400
+        height = 300
+        # Grid lines
+        for i in range(0, width, 40):
+            self.map_canvas.create_line(i, 0, i, height, fill='#00ff8810', width=1)
+        for i in range(0, height, 40):
+            self.map_canvas.create_line(0, i, width, i, fill='#00ff8810', width=1)
+        # Some "streets" for visual interest
+        self.map_canvas.create_line(50, 100, 350, 80, fill='#1a2332', width=3)
+        self.map_canvas.create_line(100, 50, 120, 250, fill='#1a2332', width=3)
+        self.map_canvas.create_line(200, 30, 280, 270, fill='#1a2332', width=2)
+        self.map_canvas.create_line(30, 180, 370, 200, fill='#1a2332', width=2)
+    def update_map_marker(self):
+        """Update marker position based on coordinates"""
+        # Convert lat/lon to canvas coordinates (simplified)
+        # Center of canvas represents the current lat/lon
+        cx = self.map_canvas.winfo_width() // 2 or 200
+        cy = self.map_canvas.winfo_height() // 2 or 150
+        self.map_canvas.coords(self.map_marker, cx-10, cy-10, cx+10, cy+10)
+        self.update_status_display()
+    def on_map_click(self, event):
+        """Handle map click"""
+        self.move_marker(event.x, event.y)
+    def on_map_drag(self, event):
+        """Handle marker drag"""
+        self.move_marker(event.x, event.y)
+    def move_marker(self, x, y):
+        """Move marker to position and update coordinates"""
+        cx = max(10, min(x, self.map_canvas.winfo_width() - 10))
+        cy = max(10, min(y, self.map_canvas.winfo_height() - 10))
+        self.map_canvas.coords(self.map_marker, cx-10, cy-10, cx+10, cy+10)
+        # Small random offset to simulate map movement
+        offset_x = (cx - self.map_canvas.winfo_width()//2) * 0.0001
+        offset_y = (cy - self.map_canvas.winfo_height()//2) * 0.0001
+        new_lat = 40.7128 + offset_y
+        new_lon = -74.0060 + offset_x
+        self.lat_var.set(round(new_lat, 4))
+        self.lon_var.set(round(new_lon, 4))
+        self.update_status_display()
+    def update_from_input(self):
+        """Update from manual input"""
+        self.update_status_display()
+        self.update_map_marker()
+    def update_status_display(self):
+        """Update status labels"""
+        lat = self.lat_var.get()
+        lon = self.lon_var.get()
+        self.status_items['lat-display'].config(
+            text=f'{abs(lat):.4f}° {"N" if lat >= 0 else "S"}')
+        self.status_items['lon-display'].config(
+            text=f'{abs(lon):.4f}° {"E" if lon >= 0 else "W"}')
+        self.status_items['alt-display'].config(text=f'{self.alt_var.get():.0f} m')
+    def create_right_column(self, parent):
+        """Create right column with configuration tabs"""
+        frame = tk.Frame(parent, bg=self.colors['bg_card'],
+                        highlightbackground=self.colors['border'],
+                        highlightthickness=1, padx=20, pady=20)
+        # Header
+        header = tk.Frame(frame, bg=self.colors['bg_card'])
+        header.pack(fill=tk.X, pady=(0, 15))
+        tk.Label(header, text='⚙️', bg=self.colors['bg_card'],
+                fg=self.colors['secondary'], font=('Segoe UI', 16)).pack(side=tk.LEFT)
+        tk.Label(header, text='Signal Configuration', bg=self.colors['bg_card'],
+                fg=self.colors['primary'], font=self.fonts['title']).pack(side=tk.LEFT, padx=10)
+        # Notebook for tabs
+        self.notebook = ttk.Notebook(frame, style='Custom.TNotebook')
+        self.notebook.pack(fill=tk.BOTH, expand=True, pady=(0, 15))
+        # Basic tab
+        basic_frame = tk.Frame(self.notebook, bg=self.colors['bg_card'], padx=15, pady=15)
+        self.create_basic_tab(basic_frame)
+        self.notebook.add(basic_frame, text='  Basic  ')
+        # Advanced tab
+        advanced_frame = tk.Frame(self.notebook, bg=self.colors['bg_card'], padx=15, pady=15)
+        self.create_advanced_tab(advanced_frame)
+        self.notebook.add(advanced_frame, text='  Advanced  ')
+        # Trajectory tab
+        trajectory_frame = tk.Frame(self.notebook, bg=self.colors['bg_card'], padx=15, pady=15)
+        self.create_trajectory_tab(trajectory_frame)
+        self.notebook.add(trajectory_frame, text='  Trajectory  ')
+        # Generate button
+        gen_btn = tk.Button(frame, text='🖥️ Generate Windows Command',
+                           bg=self.colors['primary'], fg='#000',
+                           font=self.fonts['title'], pady=12,
+                           command=self.generate_command,
+                           cursor='hand2', relief=tk.FLAT,
+                           activebackground='#00cc6a')
+        gen_btn.pack(fill=tk.X)
+        return frame
+    def create_basic_tab(self, parent):
+        """Create basic configuration tab"""
+        # Simulation Mode
+        tk.Label(parent, text='Simulation Mode', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        mode_combo = ttk.Combobox(parent, textvariable=self.mode_var,
+                                  values=['static', 'dynamic', 'circle', 'line'],
+                                  state='readonly', width=30)
+        mode_combo.pack(fill=tk.X, pady=(0, 15))
+        # Duration
+        tk.Label(parent, text='Signal Duration (seconds)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        tk.Spinbox(parent, from_=1, to=3600, textvariable=self.duration_var,
+                  bg='#050810', fg=self.colors['text'], font=self.fonts['normal'],
+                  insertbackground=self.colors['primary']).pack(fill=tk.X, pady=(0, 15))
+        # Sample Rate
+        tk.Label(parent, text='Sample Rate (MHz)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        rate_combo = ttk.Combobox(parent, textvariable=self.sample_rate_var,
+                                  values=['2.6', '5.0', '10.0', '20.0'],
+                                  state='readonly', width=30)
+        rate_combo.pack(fill=tk.X, pady=(0, 15))
+        # GPS Time
+        tk.Label(parent, text='GPS Date & Time', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        # Use current time as default
+        now = datetime.now()
+        self.gps_time_var = tk.StringVar(value=now.strftime('%Y-%m-%d %H:%M'))
+        tk.Entry(parent, textvariable=self.gps_time_var,
+                bg='#050810', fg=self.colors['text'],
+                insertbackground=self.colors['primary'],
+                font=self.fonts['mono']).pack(fill=tk.X)
+    def create_advanced_tab(self, parent):
+        """Create advanced configuration tab"""
+        # Power slider
+        tk.Label(parent, text='Signal Power (dB)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        power_frame = tk.Frame(parent, bg=self.colors['bg_card'])
+        power_frame.pack(fill=tk.X, pady=(0, 5))
+        power_scale = tk.Scale(power_frame, from_=-100, to=-50,
+                              orient=tk.HORIZONTAL, variable=self.power_var,
+                              bg=self.colors['bg_card'], fg=self.colors['primary'],
+                              highlightthickness=0, troughcolor='#050810',
+                              activebackground=self.colors['primary'])
+        power_scale.pack(fill=tk.X, side=tk.LEFT, expand=True)
+        self.power_label = tk.Label(power_frame, text='-80 dBm', bg=self.colors['bg_card'],
+                                   fg=self.colors['primary'], font=self.fonts['mono'], width=10)
+        self.power_label.pack(side=tk.RIGHT)
+        self.power_var.trace('w', lambda *args: self.power_label.config(
+            text=f'{self.power_var.get()} dBm'))
+        # Checkboxes
+        tk.Checkbutton(parent, text='Enable Ionospheric Model', variable=self.iono_var,
+                      bg=self.colors['bg_card'], fg=self.colors['text'],
+                      selectcolor='#050810', activebackground=self.colors['bg_card'],
+                      activeforeground=self.colors['primary']).pack(anchor='w', pady=8)
+        tk.Checkbutton(parent, text='Enable Tropospheric Model', variable=self.tropo_var,
+                      bg=self.colors['bg_card'], fg=self.colors['text'],
+                      selectcolor='#050810', activebackground=self.colors['bg_card'],
+                      activeforeground=self.colors['primary']).pack(anchor='w', pady=8)
+        tk.Checkbutton(parent, text='Add AWGN Noise', variable=self.noise_var,
+                      bg=self.colors['bg_card'], fg=self.colors['text'],
+                      selectcolor='#050810', activebackground=self.colors['bg_card'],
+                      activeforeground=self.colors['primary']).pack(anchor='w', pady=8)
+        # PRN list
+        tk.Label(parent, text='PRN Satellites (1-32, comma separated)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(15, 5))
+        tk.Entry(parent, textvariable=self.prn_var,
+                bg='#050810', fg=self.colors['text'],
+                insertbackground=self.colors['primary'],
+                font=self.fonts['mono']).pack(fill=tk.X)
+    def create_trajectory_tab(self, parent):
+        """Create trajectory configuration tab"""
+        # Speed
+        tk.Label(parent, text='Movement Speed (m/s)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        tk.Spinbox(parent, from_=0, to=100, textvariable=self.speed_var,
+                  bg='#050810', fg=self.colors['text'], font=self.fonts['normal'],
+                  insertbackground=self.colors['primary']).pack(fill=tk.X, pady=(0, 15))
+        # Direction
+        tk.Label(parent, text='Path Direction (degrees)', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        tk.Spinbox(parent, from_=0, to=360, textvariable=self.direction_var,
+                  bg='#050810', fg=self.colors['text'], font=self.fonts['normal'],
+                  insertbackground=self.colors['primary']).pack(fill=tk.X, pady=(0, 15))
+        # Radius
+        tk.Label(parent, text='Circle Radius (m) - For circular mode', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        tk.Spinbox(parent, from_=10, to=10000, textvariable=self.radius_var,
+                  bg='#050810', fg=self.colors['text'], font=self.fonts['normal'],
+                  insertbackground=self.colors['primary']).pack(fill=tk.X)
+    def create_bottom_section(self, parent):
+        """Create bottom section with satellite viz and command output"""
+        frame = tk.Frame(parent, bg=self.colors['bg_dark'])
+        # Satellite visualization
+        sat_frame = tk.Frame(frame, bg=self.colors['bg_card'],
+                            highlightbackground=self.colors['border'],
+                            highlightthickness=1, padx=20, pady=20)
+        sat_frame.pack(fill=tk.X, pady=(0, 15))
+        # Header
+        sat_header = tk.Frame(sat_frame, bg=self.colors['bg_card'])
+        sat_header.pack(fill=tk.X, pady=(0, 15))
+        tk.Label(sat_header, text='🛰️', bg=self.colors['bg_card'],
+                fg=self.colors['secondary'], font=('Segoe UI', 16)).pack(side=tk.LEFT)
+        tk.Label(sat_header, text='GPS Constellation Visualization', bg=self.colors['bg_card'],
+                fg=self.colors['primary'], font=self.fonts['title']).pack(side=tk.LEFT, padx=10)
+        # Satellite canvas
+        self.sat_canvas = tk.Canvas(sat_frame, bg='#050810', height=250,
+                                   highlightthickness=1, highlightbackground=self.colors['border'])
+        self.sat_canvas.pack(fill=tk.X)
+        # Draw orbit rings
+        cx, cy = 400, 125
+        for r in [50, 75, 100, 125]:
+            self.sat_canvas.create_oval(cx-r, cy-r, cx+r, cy+r,
+                                       outline='#00ff8820', width=1)
+        # Earth center
+        self.sat_canvas.create_oval(cx-15, cy-15, cx+15, cy+15,
+                                   fill=self.colors['secondary'],
+                                   outline='', tags='earth')
+        self.sat_canvas.create_oval(cx-25, cy-25, cx+25, cy+25,
+                                   outline=self.colors['secondary'], width=2)
+        # Create satellites
+        self.create_satellites()
+        # Info text
+        tk.Label(sat_frame,
+                text='ℹ️ Visual representation of visible satellites based on selected location and time. Blue dot represents receiver position.',
+                bg=self.colors['bg_card'], fg=self.colors['text_muted'],
+                font=self.fonts['small'], wraplength=700).pack(anchor='w', pady=(10, 0))
+        # Command output
+        cmd_frame = tk.Frame(frame, bg=self.colors['bg_card'],
+                            highlightbackground=self.colors['border'],
+                            highlightthickness=1, padx=20, pady=20)
+        cmd_frame.pack(fill=tk.BOTH, expand=True)
+        # Header
+        cmd_header = tk.Frame(cmd_frame, bg=self.colors['bg_card'])
+        cmd_header.pack(fill=tk.X, pady=(0, 15))
+        tk.Label(cmd_header, text='💻', bg=self.colors['bg_card'],
+                fg=self.colors['secondary'], font=('Segoe UI', 16)).pack(side=tk.LEFT)
+        tk.Label(cmd_header, text='Generated Command', bg=self.colors['bg_card'],
+                fg=self.colors['primary'], font=self.fonts['title']).pack(side=tk.LEFT, padx=10)
+        # Command display
+        cmd_display_frame = tk.Frame(cmd_frame, bg='#050810',
+                                    highlightbackground=self.colors['border'],
+                                    highlightthickness=1)
+        cmd_display_frame.pack(fill=tk.X, pady=(0, 10))
+        # Copy button
+        copy_btn = tk.Button(cmd_display_frame, text='📋 Copy',
+                            bg='#1a2332', fg=self.colors['text'],
+                            font=self.fonts['small'], padx=10, pady=2,
+                            command=self.copy_command, cursor='hand2',
+                            relief=tk.FLAT)
+        copy_btn.pack(side=tk.RIGHT, padx=5, pady=5)
+        self.cmd_text = tk.Text(cmd_display_frame, bg='#050810', fg=self.colors['primary'],
+                               font=self.fonts['mono'], height=4, wrap=tk.WORD,
+                               padx=10, pady=10, insertbackground=self.colors['primary'])
+        self.cmd_text.pack(fill=tk.X, side=tk.LEFT, expand=True)
+        self.cmd_text.insert('1.0', '# Click "Generate Windows Command" to create gps-sdr-sim command...')
+        self.cmd_text.config(state=tk.DISABLED)
+        # Console
+        tk.Label(cmd_frame, text='Console Output', bg=self.colors['bg_card'],
+                fg=self.colors['text_muted'], font=self.fonts['small']).pack(anchor='w', pady=(0, 5))
+        self.console = scrolledtext.ScrolledText(cmd_frame, bg='#050810', fg=self.colors['primary'],
+                                                font=self.fonts['mono'], height=8,
+                                                padx=10, pady=10, wrap=tk.WORD,
+                                                insertbackground=self.colors['primary'])
+        self.console.pack(fill=tk.BOTH, expand=True)
+        self.console.config(state=tk.DISABLED)
+        # Info box
+        info_box = tk.Frame(cmd_frame, bg='#050810', padx=15, pady=15,
+                           highlightbackground=self.colors['secondary'],
+                           highlightthickness=2)
+        info_box.pack(fill=tk.X, pady=(15, 0))
+        tk.Label(info_box, text='ℹ️ Windows Setup Instructions', bg='#050810',
+                fg=self.colors['secondary'], font=self.fonts['title']).pack(anchor='w')
+        instructions = """1. Install gps-sdr-sim for Windows (requires Visual Studio Build Tools)
+2. Install HackRF Tools for Windows
+3. Ensure HackRF One is connected and drivers are installed (Zadig)
+4. Run the generated command in Command Prompt or PowerShell
+5. ⚠️ Verify you are in a shielded room or have authorization before transmitting!"""
+        tk.Label(info_box, text=instructions, bg='#050810',
+                fg=self.colors['text_muted'], font=self.fonts['small'],
+                justify=tk.LEFT, wraplength=700).pack(anchor='w', pady=(10, 0))
+        return frame
+    def create_satellites(self):
+        """Create satellite objects on canvas"""
+        cx, cy = 400, 125
+        sat_count = 8
+        for i in range(sat_count):
+            angle = (i / sat_count) * 2 * math.pi
+            radius = 60 + (i % 3) * 35
+            # Calculate position
+            x = cx + radius * math.cos(angle)
+            y = cy + radius * math.sin(angle)
+            # Create satellite
+            sat = self.sat_canvas.create_oval(x-6, y-6, x+6, y+6,
+                                             fill=self.colors['primary'],
+                                             outline='', tags=f'sat_{i}')
+            # Label
+            label = self.sat_canvas.create_text(x, y-15, text=f'G{i+1}',
+                                               fill=self.colors['text_muted'],
+                                               font=self.fonts['small'], tags=f'label_{i}')
+            self.satellites.append({
+                'id': sat,
+                'label': label,
+                'base_angle': angle,
+                'radius': radius,
+                'speed': 0.02 + random.random() * 0.02
+            })
+    def start_satellite_animation(self):
+        """Start animating satellites"""
+        self.animating = True
+        self.animate_satellites()
+    def animate_satellites(self):
+        """Animate satellite orbits"""
+        if not self.animating:
+            return
+        cx, cy = 400, 125
+        for sat in self.satellites:
+            # Update angle
+            sat['base_angle'] += sat['speed']
+            # Calculate new position
+            x = cx + sat['radius'] * math.cos(sat['base_angle'])
+            y = cy + sat['radius'] * math.sin(sat['base_angle'])
+            # Update satellite position
+            self.sat_canvas.coords(sat['id'], x-6, y-6, x+6, y+6)
+            self.sat_canvas.coords(sat['label'], x, y-15)
+        self.root.after(50, self.animate_satellites)
+    def log(self, message, msg_type='info'):
+        """Log message to console"""
+        self.console.config(state=tk.NORMAL)
+        timestamp = datetime.now().strftime('%H:%M:%S')
+        # Color coding
+        color = self.colors['primary']
+        if msg_type == 'error':
+            color = self.colors['danger']
+        elif msg_type == 'success':
+            color = '#00ff00'
+        # Insert with tag
+        tag_name = f'color_{msg_type}'
+        self.console.tag_config(tag_name, foreground=color)
+        self.console.insert(tk.END, f'[{timestamp}] ', 'muted')
+        self.console.insert(tk.END, f'{message}\n', tag_name)
+        self.console.tag_config('muted', foreground=self.colors['secondary'])
+        self.console.see(tk.END)
+        self.console.config(state=tk.DISABLED)
+    def after_init(self):
+        """Initialize after UI is ready"""
+        self.root.after(500, lambda: [
+            self.log('GPS SDR Interface initialized'),
+            self.log('HackRF One detected on USB (simulated)'),
+            self.log('Waiting for user input...')
+        ])
+    def generate_command(self):
+        """Generate the gps-sdr-sim command"""
+        lat = self.lat_var.get()
+        lon = self.lon_var.get()
+        mode = self.mode_var.get()
+        duration = self.duration_var.get()
+        sample_rate = self.sample_rate_var.get()
+        power = self.power_var.get()
+        time_str = self.gps_time_var.get()
+        # Parse time
+        try:
+            dt = datetime.strptime(time_str, '%Y-%m-%d %H:%M')
+            date_str = dt.strftime('%Y%m%d')
+            time_formatted = dt.strftime('%H%M%S')
+        except ValueError:
+            self.log('Error: Invalid date/time format', 'error')
+            return
+        # Build command
+        command = 'gps-sdr-sim.exe'
+        command += f' -e brdc3540.14n'
+        command += f' -l {lat:.4f},{lon:.4f},{self.alt_var.get():.1f}'
+        command += f' -d {duration}'
+        command += f' -s {sample_rate}'
+        if mode == 'dynamic':
+            command += f' -t {date_str},{time_formatted}'
+            command += f' -v {self.speed_var.get():.1f},{self.direction_var.get():.1f}'
+        elif mode == 'circle':
+            command += f' -c {self.radius_var.get():.1f}'
+        # Gain adjustment
+        command += f' -g {power + 100}'
+        # Output file
+        command += ' -o gpssim.bin'
+        # HackRF command
+        hackrf_cmd = f'\n\n:: Then transmit with HackRF:\nhackrf_transfer.exe -t gpssim.bin -f 1575420000 -s {int(float(sample_rate) * 1000000)} -a 1 -x 40'
+        full_command = command + hackrf_cmd
+        # Update display
+        self.cmd_text.config(state=tk.NORMAL)
+        self.cmd_text.delete('1.0', tk.END)
+        self.cmd_text.insert('1.0', full_command)
+        self.cmd_text.config(state=tk.DISABLED)
+        # Log
+        self.log('Command generated successfully', 'success')
+        self.log(f'Coordinates: {lat:.4f}, {lon:.4f}')
+        self.log(f'Mode: {mode}, Duration: {duration}s')
+        self.log('Ready for execution on Windows', 'success')
+    def copy_command(self):
+        """Copy command to clipboard"""
+        self.cmd_text.config(state=tk.NORMAL)
+        text = self.cmd_text.get('1.0', tk.END).strip()
+        self.cmd_text.config(state=tk.DISABLED)
+        self.root.clipboard_clear()
+        self.root.clipboard_append(text)
+        self.log('Command copied to clipboard', 'success')
+def main():
+    root = tk.Tk()
+    app = GPSSDRApp(root)
+    root.mainloop()
+if __name__ == '__main__':
+    main()