benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 e377, 2003-09-10,  WCH ,  USGS ,  ASHTECH,  LP03203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 1.2632, 1.3119, 30, 164815
 e377, 2003-09-11,  WCH ,  USGS ,  ASHTECH,  LP03203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 1.3864, 1.4339, 30, 154830
 e377 E377_1984_NGS, 2007-09-10,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.2834, 1.3319, 30, 154730
 e377 E377_1984_NGS, 2007-09-15,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 1.341, 1.3889, 30, 141930
 e377 E377_1984_NGS, 2015-09-09,  SW ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14244,  NONE, 0.7302, 0.7882, 15, 162445
 e377 E377_1984_NGS, 2015-09-10,  ELP ,  USGS ,  JAVAD,  00619 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 1.1691, 1.2188, 15, 142115