benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 scol, 2001-09-15,  FFP ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 0.8118, 0.8676, 30, 16240
 scol, 2001-09-23,  GB ,  USGS ,  TRIMBLE,  3608A14631 ,  4000SSI NP,  TRM29659.00,  0220073545,  NONE, 1.2682, 0, 0, 155230
 scol School_1959_USGS, 2005-09-17,  MCN ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.2602, 1.3089, 30, 1680
 scol School_1959_USGS, 2006-09-22,  WRT ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14333,  NONE, 1.1023, 1.1529, 30, 14630
 scol School_1959_USGS, 2016-09-13,  SAH ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 1.1489, 1.1989, 15, 16615
 scol School_1959_USGS, 2016-09-16,  SAH ,  USGS ,  JAVAD,  00620 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 1.0861, 1.1369, 15, 16915