---
license: cc-by-nc-4.0
language:
- en
tags:
- space
- cda
- cassini
- nasa
- jaxa
- dda
- destiny+

configs:
  - config_name: cda_1998_lvl0
    data_files: [data/cda/lvl0/1998/*.bin]
  - config_name: cda_2001_lvl0
    data_files: [data/cda/lvl0/2001/*.bin]
  - config_name: cda_1998_lvl1
    data_files: [data/cda/lvl1/1998/*.parquet]
  - config_name: cda_2001_lvl1
    data_files: [data/cda/lvl1/2001/*.parquet]
  - config_name: cda_1998_lvl2
    data_files: [data/cda/lvl2/1998/*.parquet]
  - config_name: cda_2001_lvl2
    data_files: [data/cda/lvl2/2001/*.parquet]
  - config_name: cda_1998_lvl3
    data_files: [data/cda/lvl3/1998/*.parquet]
  - config_name: cda_2001_lvl3
    data_files: [data/cda/lvl3/2001/*.parquet]
  - config_name: cda_cal_legacy
    data_files: [aux/cda/cal_legacy/*.asc2]
  - config_name: cda_dnconversion
    data_files: [aux/cda/dnconversion/*.txt]
  - config_name: cda_psu
    data_files: [aux/cda/psu/*.txt]
---

# Instrument Calibrations

This repository contains calibration data for the Cosmic Dust Analyzer (CDA) instrument.

## Repository Structure

### Data Files

#### Level 0 Data (Raw Binary)
- **`data/cda/lvl0/1998/`**: 16 binary files from 1998 calibration campaigns (January-February)
- **`data/cda/lvl0/2001/`**: 17 binary files from 2001 calibration campaigns (various materials: aluminum, carbon, carbon_Na, iron)

#### Level 1 Data (Processed)
- **`data/cda/lvl1/1998/`**: Processed calibration data in Parquet format
- **`data/cda/lvl1/2001/`**: Processed calibration data in Parquet format

#### Level 2 Data (Advanced Processing)
- **`data/cda/lvl2/1998/`**: Advanced processed calibration data in Parquet format (duplicates removed)
- **`data/cda/lvl2/2001/`**: Advanced processed calibration data in Parquet format (duplicates removed)

#### Level 3 Data (Highest Processing)
- **`data/cda/lvl3/1998/`**: Highest level processed calibration data in Parquet format, with additional information from the PSU dataset
- **`data/cda/lvl3/2001/`**: Highest level processed calibration data in Parquet format, with additional information from the PSU dataset

### Auxiliary Files

#### Legacy Calibration Data
- **`aux/cda/cal_legacy/`**: Legacy calibration data files (9 files)
  - Text files with `.asc2` extension from 1998 calibration campaigns (January 27 and February 10)
  - Files contain impact event data extracted from binary files

#### DN Conversion Tables
- **`aux/cda/dnconversion/`**: Digital Number (DN) to unit conversion tables
  - `dn2unit.FS.MP.txt`
  - `dn2unit.FS.QC.txt`
  - `dn2unit.FS.QI.txt`
  - `dn2unit.FS.QP.txt`
  - `dn2unit.FS.QT.txt`

#### PSU Files
- **`aux/cda/psu/`**: PSU evaluation data
  - `evalu9-QIQTQC.srama_stuebig.4706.txt`

## Data Configurations

The repository provides multiple data configurations for easy access:

- **`cda_1998_lvl0`**: 1998 Level 0 binary calibration files
- **`cda_2001_lvl0`**: 2001 Level 0 binary calibration files
- **`cda_1998_lvl1`**: 1998 Level 1 processed calibration files
- **`cda_2001_lvl1`**: 2001 Level 1 processed calibration files
- **`cda_1998_lvl2`**: 1998 Level 2 advanced processed calibration files
- **`cda_2001_lvl2`**: 2001 Level 2 advanced processed calibration files
- **`cda_1998_lvl3`**: 1998 Level 3 highest level processed calibration files
- **`cda_2001_lvl3`**: 2001 Level 3 highest level processed calibration files
- **`cda_cal_legacy`**: Legacy calibration data (text files with .asc2 extension)
- **`cda_dnconversion`**: DN conversion reference tables
- **`cda_psu`**: PSU evaluation data

## License

This repository is licensed under CC-BY-NC-4.0.