benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 01gf 01-GF_1993_CADT, 2008-06-17,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.2915, 1.3399, 30, 151430
 01gf 01GF_1993_CADT, 2008-06-18,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.5825, 0.6459, 30, 15590
 01gf 01-GF_1993_CADT, 2011-01-12,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.3632, 1.4109, 15, 16260
 01gf 01-GF_1993_CADT, 2011-01-19,  CHS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.3269, 1.3749, 15, 165840
 01gf 01-GF_1993_CADT, 2012-04-27,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH700936D_M,  CR14333,  NONE, 1.4388, 1.4859, 15, 16615
 01gf 01-GF_1993_CADT, 2012-04-29,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR520031622,  NONE, 1.4146, 1.4619, 15, 162715
 01gf 01-GF_1993_CADT, 2013-04-19,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.7936, 0.8499, 15, 144315
 01gf 01-GF_1993_CADT, 2013-04-23,  JLS ,  USGS ,  JAVAD,  00621 ,  TRE_G3TH SIGMA3.3.1,  ASH700936D_M,  CR14330,  NONE, 1.2096, 1.2589, 15, 142445