{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"ID","type":"number","width":8,"decimals":0},{"name":"MARK_LON","type":"number","width":16,"decimals":6},{"name":"MARK_LAT","type":"number","width":16,"decimals":6},{"name":"MARK_SRC","type":"character","width":64},{"name":"VENT_LON","type":"number","width":16,"decimals":6},{"name":"VENT_LAT","type":"number","width":16,"decimals":6},{"name":"VENT_HEAD","type":"number","width":16,"decimals":6},{"name":"VENT_TMG","type":"number","width":16,"decimals":6},{"name":"VENT_ALT","type":"number","width":16,"decimals":6},{"name":"VENT_DEPTH","type":"number","width":16,"decimals":6},{"name":"VENT_ISODA","type":"character","width":23},{"name":"POIN_LON","type":"number","width":16,"decimals":6},{"name":"POIN_LAT","type":"number","width":16,"decimals":6},{"name":"POIN_HEAD","type":"number","width":16,"decimals":6},{"name":"POIN_TMG","type":"number","width":16,"decimals":6},{"name":"POIN_ALT","type":"number","width":16,"decimals":6},{"name":"POIN_DEPTH","type":"number","width":16,"decimals":6},{"name":"POIN_ISODA","type":"character","width":23},{"name":"COMMENT","type":"character","width":254}],"n_rows":19,"rows_kept":19,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_single_byte","reader":"statdb_count/9"}
[0,-122.086172,36.776100,"VENTANA",-122.086172,36.776100,28.000000,0.000000,0.000000,198.984275,"2002-09-04 16:08:54",-122.085087,36.775292,274.200000,0.000000,0.000000,0.000000,"2002-09-04 16:08:54","vehicle in water d=220m"]
[0,-122.086058,36.775305,"VENTANA",-122.086058,36.775305,28.000000,0.000000,0.000000,628.768317,"2002-09-04 16:23:07",-122.083857,36.774802,175.700000,0.000000,0.000000,0.000000,"2002-09-04 16:23:07","Dive V2239 vehicle descending d=617m"]
[0,-122.084810,36.775980,"VENTANA",-122.084810,36.775980,359.000000,0.000000,0.000000,969.948678,"2002-09-04 16:42:30",-122.085587,36.774852,286.600000,0.000000,0.000000,0.000000,"2002-09-04 16:42:30","on bottom ~ 13m from homer"]
[0,-122.085277,36.775993,"VENTANA",-122.085277,36.775993,253.000000,0.000000,0.000000,969.148415,"2002-09-04 16:55:13",-122.086325,36.774693,300.100000,0.000000,0.000000,0.000000,"2002-09-04 16:55:13","retrieved clam dissolution group #8"]
[0,-122.085262,36.776013,"VENTANA",-122.085262,36.776013,290.000000,0.000000,0.000000,966.737731,"2002-09-04 16:55:43",-122.086162,36.774605,285.300000,0.000000,0.000000,0.000000,"2002-09-04 16:55:43","leaving bottom, end of dive V2239"]
[0,-122.085540,36.776667,"VENTANA",-122.085540,36.776667,300.000000,0.000000,0.000000,-0.714691,"2002-09-04 17:40:17",-122.084933,36.776493,304.500000,0.000000,0.000000,0.000000,"2002-09-04 17:40:17","on deck V2239"]
[0,-121.926088,36.790283,"VENTANA",-121.926088,36.790283,227.000000,0.000000,0.000000,120.984984,"2002-09-04 18:43:18",-121.924818,36.789828,255.700000,0.000000,0.000000,0.000000,"2002-09-04 18:43:18","d=128m begin dive V2240"]
[0,-121.926620,36.788467,"VENTANA",-121.926620,36.788467,136.000000,0.000000,0.000000,660.382802,"2002-09-04 19:09:38",-121.925608,36.787958,230.300000,0.000000,0.000000,0.000000,"2002-09-04 19:09:38","on the bottom heading 137"]
[0,-121.924678,36.785750,"VENTANA",-121.924678,36.785750,143.000000,0.000000,0.000000,662.985188,"2002-09-04 19:25:10",-121.924488,36.785857,196.100000,0.000000,0.000000,0.000000,"2002-09-04 19:25:10","continuing on course 137"]
[0,-121.924980,36.785492,"VENTANA",-121.924980,36.785492,125.000000,0.000000,0.000000,665.725918,"2002-09-04 19:28:45",-121.924575,36.785058,255.300000,0.000000,0.000000,0.000000,"2002-09-04 19:28:45","sonar returns small ledges cut in main channel"]
[0,-121.921525,36.782758,"VENTANA",-121.921525,36.782758,138.000000,0.000000,0.000000,648.756811,"2002-09-04 19:47:49",-121.922072,36.782972,252.100000,0.000000,0.000000,0.000000,"2002-09-04 19:47:49","continuing SE"]
[0,-121.916570,36.778547,"VENTANA",-121.916570,36.778547,121.000000,0.000000,0.000000,627.006645,"2002-09-04 20:17:10",-121.917113,36.778963,246.700000,0.000000,0.000000,0.000000,"2002-09-04 20:17:10","Continuing SE, numerous channles cut in bottom"]
[0,-121.916573,36.778020,"VENTANA",-121.916573,36.778020,110.000000,0.000000,0.000000,629.332236,"2002-09-04 20:22:36",-121.916283,36.778120,245.300000,0.000000,0.000000,0.000000,"2002-09-04 20:22:36","using sonar targets to navigate channel debris"]
[0,-121.909228,36.775913,"VENTANA",-121.909228,36.775913,64.000000,0.000000,0.000000,609.836403,"2002-09-04 20:56:03",-121.909297,36.775983,151.200000,0.000000,0.000000,0.000000,"2002-09-04 20:56:03","continuing se 110, bottom not as cut up as previously,"]
[0,-121.901695,36.773308,"VENTANA",-121.901695,36.773308,49.000000,0.000000,0.000000,587.121936,"2002-09-04 21:56:09",-121.901657,36.772682,266.100000,0.000000,0.000000,0.000000,"2002-09-04 21:56:09","chg heading ne"]
[0,-121.901328,36.773440,"VENTANA",-121.901328,36.773440,53.000000,0.000000,0.000000,585.063141,"2002-09-04 21:57:14",-121.901538,36.772613,282.100000,0.000000,0.000000,0.000000,"2002-09-04 21:57:14","bearing 50"]
[0,-121.898073,36.774953,"VENTANA",-121.898073,36.774953,39.000000,0.000000,0.000000,574.877695,"2002-09-04 22:17:49",-121.898595,36.774500,151.700000,0.000000,0.000000,0.000000,"2002-09-04 22:17:49","nearing end of dive"]
[0,-121.898157,36.774938,"VENTANA",-121.898157,36.774938,39.000000,0.000000,0.000000,573.472096,"2002-09-04 22:17:59",-121.898567,36.774480,159.500000,0.000000,0.000000,0.000000,"2002-09-04 22:17:59","d=577"]
[0,-121.898007,36.774907,"VENTANA",-121.898007,36.774907,41.000000,0.000000,0.000000,531.784780,"2002-09-04 22:19:54",-121.898297,36.774028,251.800000,0.000000,0.000000,0.000000,"2002-09-04 22:19:54","coming up, end of dive V2240"]