{"columns":["dive","dt_epoch","dt_str","lat","lon","cep_km","idx","ttf_sec","nsat","snr_min","snr_avg","snr_max","hdop"],"data":[[0,1792509000,"2026-10-20T15:10:00Z",41.98978,-87.9859,0.007,5,40,12,29,38,43,0.9]]}