benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hswy HSWY_GPS_44_1993_Wyo, 2003-09-19,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.5577, 1.6039, 30, 15210
 hswy HSWY_GPS_44_1993_Wyo, 2003-09-21,  CWW ,  USGS ,  ASHTECH,  LP03188 ,  Z-XII3 CD00,  ASH700936E_C,  CR16381,  NONE, 1.5164, 1.5629, 30, 13130
 hswy HSWY_GPS_44_1993_Wyo, 2007-09-24,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.1742, 1.2239, 30, 141645
 hswy HSWY_GPS_44_1993_Wyo, 2007-09-26,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 1.1631, 1.2129, 30, 142115
 hswy HSWY_GPS_44_1993_Wyo, 2011-09-13,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.9061, 0.9599, 15, 16715
 hswy HSWY_GPS_44_1993_Wyo, 2015-09-15,  SW ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.3799, 1.4275, 15, 152445
 hswy HSWY_GPS_44_1993_Wyo, 2015-09-17,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00580,  NONE, 1.3178, 1.3659, 15, 133145