{"columns":["dive","dt_epoch","dt_str","lat","lon","cep_km","idx","ttf_sec","nsat","snr_min","snr_avg","snr_max","hdop"],"data":[[-1,1773855600,"2026-03-18T17:40:00Z",41.53432,-70.64794,0.267,5,210,3,38,39,41,2.2],[-1,1773857760,"2026-03-18T18:16:00Z",41.53454,-70.64767,0.05,5,170,5,20,25,31,2.0]]}