Define 0.125-degree CONUS grid (25-50N, 125-66W) for propagation scoring and create propagation_scores table with composite unique index on lat/lon/valid_time/band_mhz for upsert support. |
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|---|---|---|
| .. | ||
| commercial | ||
| propagation | ||
| radio | ||
| terrain | ||
| weather | ||
| workers | ||
| commercial_test.exs | ||
| radio_test.exs | ||
| terrain_test.exs | ||
| weather_test.exs | ||