benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hyat, 1999-09-10,  CWW ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.352, 1.3998, 30, 15510
 hyat, 1999-09-29,  CWW ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 1.3227, 1.3708, 30, 155230
 hyat Hyat_USGS, 2003-07-02,  MCN ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.1063, 1.1568, 30, 171930
 hyat Hyat_USGS, 2003-07-03,  VDB ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14244,  NONE, 1.083, 1.1339, 30, 15470
 hyat Hyat_USGS, 2008-09-06,  CWW ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII 1L00,  ASH700936D_M,  CR14329,  NONE, 1.2228, 1.2719, 30, 153430
 hyat Hyat_USGS, 2008-09-09,  GDH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH701945E_M,  CR520031622,  NONE, 1.1833, 1.2329, 30, 16030
 hyat Hyat_USGS, 2013-09-05,  JLS ,  USGS ,  JAVAD,  00622 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993703,  NONE, 1.1904, 1.2399, 15, 142145
 hyat Hyat_USGS, 2013-09-18,  WRT ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 1.157, 1.2069, 15, 0