benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) cadi Casa_Diablo_1933_USC, 1994-07-17, WKG , USGS , ASHTECH, 623 , L-XII 6P, ASH700228A, 0617, NONE, 0.5589, 0.6233, 30, 0