{"columns":["dive","dt_epoch","dt_str","lat","lon","cep_km","idx","ttf_sec","nsat","snr_min","snr_avg","snr_max","hdop"],"data":[[-1,1773852960,"2026-03-18T16:56:00Z",41.53429,-70.64781,0.033,5,50,5,33,35,38,0.3],[-1,1773854580,"2026-03-18T17:23:00Z",41.53471,-70.64732,0.03,5,10,7,12,31,40,2.4]]}