benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 brvb, 2016-08-13,  ELP ,  USGS ,  JAVAD TRE_G3TH,  01660,  SIGMA3.5.10,  JAVRINGANT_DM,  00488,  NONE, 0.8386, 0.8938, 15, 153130
 brvb, 2016-08-14,  ELP ,  USGS ,  JAVAD TRE_G3TH,  01660,  SIGMA3.5.10,  JAVRINGANT_DM,  00580,  NONE, 0.8622, 0.9169, 15, 13845
 brvb, 2018-10-30,  ELP ,  USGS ,  JAVAD TRE_G3TH,  00598,  SIGMA3.6.9,  JAVRINGANT_DM,  00488,  NONE, 0.8325, 0.8879, 15, 145330
 brvb, 2018-10-31,  ELP ,  USGS ,  JAVAD TRE_G3TH,  00598,  SIGMA3.6.9,  JAVRINGANT_DM,  00488,  NONE, 0.8345, 0.8898, 15, 142715