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Graham McIntire e7a7ae073d Phase 9.3, 9.4, and Phase 3 NEXRAD pipeline 
Task 9.3 - Weight recalibration via gradient descent:
- Recalibrator module fits logistic regression weights using Nx
- Trains on QSO positives vs random baseline negatives
- Cross-validates by month, normalizes weights to sum to 1.0
- Mix task: mix recalibrate_scorer --sample 5000 --epochs 2000

Task 9.4 - Side-by-side scorer comparison:
- ScorerDiff.compare/3 re-scores grid with old vs new weights
- Reports mean diff, regressions, improvements, per-band breakdown
- Mix task: mix scorer_diff --new-weights '{...}'

Phase 3 - NEXRAD ingestion pipeline:
- NexradClient fetches IEM n0q composite PNGs, extracts per-point
  box statistics (mean/max dBZ, texture variance)
- NexradObservation schema with unique (lat, lon, observed_at)
- NexradWorker on :nexrad queue for background processing
- nexrad_texture backtest feature in Features module
- mix nexrad_backfill --limit 200

All tasks added to AdminTaskWorker and Release for production use.
1116 tests, 0 failures.
2026-04-10 12:48:36 -05:00
..
backtest Fix wgrib2 -lola binary parsing and add native_surface_refractivity 2026-04-10 08:13:33 -05:00
beacons Per-HRRR-cell beacon reception plot 2026-04-08 13:43:01 -05:00
commercial Add commercial link monitoring via SNMP polling 2026-03-30 13:02:59 -05:00
propagation Phase 9.3, 9.4, and Phase 3 NEXRAD pipeline 2026-04-10 12:48:36 -05:00
radio CSV upload preview with duplicate detection before commit 2026-04-09 12:30:10 -05:00
terrain Rename qsos table to contacts, qso_id to contact_id 2026-04-02 15:52:19 -05:00
weather Phase 9.3, 9.4, and Phase 3 NEXRAD pipeline 2026-04-10 12:48:36 -05:00
workers Phase 1 tasks 1.1-1.5: HRRR native hybrid-sigma ingestion 2026-04-09 16:23:51 -05:00
accounts_test.exs Add is_admin flag, auto-grant to graham@mcintire.me 2026-04-08 11:43:52 -05:00
backtest_test.exs Phase 9.1: Consolidated backtest report and contest log import 2026-04-10 11:57:15 -05:00
beacon_monitors_test.exs Add beacon monitor registration and fix prod SMTP 2026-04-08 11:30:28 -05:00
beacons_test.exs Add beacon bearing, beamwidth, and weak-signal keyings 2026-04-09 08:59:16 -05:00
commercial_test.exs Add commercial link monitoring via SNMP polling 2026-03-30 13:02:59 -05:00
markdown_test.exs Add Tier 1 test coverage: EnrichmentStatus, Markdown, health, RemoteIp, Maidenhead 2026-04-06 10:15:38 -05:00
propagation_test.exs Add 902-5760 MHz bands, centralize band options 2026-04-07 16:39:25 -05:00
radio_test.exs Replace boolean enrichment flags with enum status fields 2026-04-02 12:07:51 -05:00
terrain_test.exs Rename qsos table to contacts, qso_id to contact_id 2026-04-02 15:52:19 -05:00
weather_grid_test.exs Database performance fixes and async backfill enqueue 2026-04-04 19:19:18 -05:00
weather_test.exs Reduce dead tuples by using conditional upserts and skip-on-conflict 2026-04-04 17:32:57 -05:00