benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) faas, 2001-09-13, GB , USGS , TRIMBLE, 3608A14631 , 4000SSI NP, TRM29659.00, 0220073540, NONE, 0.6043, 0, 0, 2570 faas, 2001-09-20, GB , USGS , TRIMBLE, 3608A14594 , 4000SSI NP, TRM29659.00, 0220073541, NONE, 0.6345, 0, 0, 2290 faas, 2001-09-21, GB , USGS , TRIMBLE, 3608A14594 , 4000SSI NP, TRM29659.00, 0220073541, NONE, 0.6345, 0, 0, 0 faas FAA_S80_1_1990_NGS, 2006-09-19, CMH , USGS , ASHTECH, LP019992804 , Z-XII3 CD00, ASH700936D_M, CR14341, NONE, 1.2268, 1.2759, 30, 21230 faas FAA_S80_1_1990_NGS, 2006-09-25, WRT , USGS , ASHTECH, LP03360 , Z-XII3 CC00, ASH700936D_M, CR14333, NONE, 1.3147, 1.3629, 30, 30