benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s) caa2, 2017-02-14, ELP , USGS , JAVAD, 01657 , TRE_G3TH SIGMA3.5.1, JAVRINGANT_DM, 01600, NONE, 1.3622, 1.4099, 15, 17360 caa2, 2017-02-15, ELP , USGS , JAVAD, 01657 , TRE_G3TH SIGMA3.5.1, JAVRINGANT_DM, 01600, NONE, 1.2915, 1.3399, 15, 165615