benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) catt Cattle_1968_USC&GS, 1994-08-02, WKG , USGS , ASHTECH, 765 , LM-XII3 7A, ASH700228D, 1058, NONE, 1.3388, 1.3867, 30, 13520