# nightjar-flight-20260814

## Elevation datum (fit_el_datum, 2026-08-16)

**Status: FEW_ON_DRONE** — this day's elevation datum is honestly UNSOLVABLE from
banked data (camera never/rarely locked on the drone).
Close-range elevation truth for this day remains datum-limited (~25 deg
floor). Tool: `sirch613/subhunt-v2` `v3/fit_el_datum.py`; summary:
`joshruby/acoustic-knowledge` -> `v3/assets/el_datum/SUMMARY.json`.