benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lgap LGAP_USGS, 2008-11-19,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022602,  NONE, 1.3713, 1.4189, 30, 16310
 lgap LGAP_USGS, 2008-12-03,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.3682, 1.4159, 30, 164530
 lgap LGAP_USGS, 2010-11-03,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4499, 1.4969, 15, 154445
 lgap LGAP_USGS, 2010-11-04,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4298, 1.4769, 15, 154345
 lgap LGAP_USGS, 2012-03-21,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4126, 1.4599, 15, 153545
 lgap LGAP_USGS, 2012-03-22,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4076, 1.4549, 15, 151315
 lgap LGAP_USGS, 2015-12-09,  JLS ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14329,  NONE, 1.239, 1.2879, 15, 16545
 lgap LGAP_USGS, 2016-03-26,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 0.8038, 0.8598, 15, 142945