benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 01cg 01-CG_1993_CADT, 2008-06-10,  JMS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.5497, 1.5959, 30, 14550
 01cg 01-CG_1993_CADT, 2008-06-11,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR619992805,  NONE, 1.5265, 1.5729, 30, 143830
 01cg 01-CG_1993_CADT, 2010-12-06,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4096, 1.4569, 15, 16115
 01cg 01-CG_1993_CADT, 2010-12-07,  CHS ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.4469, 1.4939, 15, 161715
 01cg 01-CG_1993_CADT, 2012-03-27,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.4278, 1.4749, 15, 151015
 01cg 01-CG_1993_CADT, 2012-03-28,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 1.3925, 1.44, 15, 152345
 01cg 01-CG_1993_CADT, 2013-03-26,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.5467, 1.5929, 15, 154230
 01cg 01-CG_1993_CADT, 2013-03-28,  JMS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.5517, 1.5979, 15, 152815
 01cg 01-CG_1993_CADT, 2016-10-27,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH701945B_M,  CR619992805,  NONE, 0.7205, 0.7788, 15, 152315
 01cg 01-CG_1993_CADT, 2016-10-28,  JLS ,  USGS ,  JAVAD,  01661 ,  TRE_G3TH SIGMA3.5.9,  ASH701945B_M,  CR619992805,  NONE, 0.7205, 0.7788, 15, 0
 01cg 01-CG_1993_CADT, 2022-02-17,  JLS ,  USGS ,  JAVAD,  01663 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14244,  NONE, 0.8857, 0.9399, 15, 153845
 01cg 01-CG_1993_CADT, 2022-08-25,  JLS ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14329,  NONE, 0.8867, 0.9409, 15, 145745
 01CG, 2022-08-27,  JLS ,  USGS ,  TRIMBLE,  4927175157 ,  NETRS 1.3-2,  TRM57971.00,  1441138325,  NONE, 0.8598, 0.92, 15, 161730
 01CG, 2022-08-28,  JLS ,  USGS ,  TRIMBLE,  4927175157 ,  NETRS 1.3-2,  TRM57971.00,  1441138325,  NONE, 0.8598, 0.92, 15, 0