benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hspr, 2000-09-15,  APS ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 0.3848, 0.4605, 30, 14370
 hspr, 2000-09-19,  APS ,   ,  ASHTECH,  174 ,  Z-XII3 CD00,  ASH700936E_C,  CR16376,  NONE, 0.4078, 0.4815, 30, 15270
 hspr, 2004-09-23,  RWB ,  USGS ,  TRIMBLE,  21140 ,  4000SSI NP,  TRM29659.00,  05208,  NONE, 1.0639, 0, 0, 1540
 hspr, 2004-09-24,  RWB ,  USGS ,  TRIMBLE,  21140 ,  4000SSI NP,  TRM29659.00,  05208,  NONE, 1.0639, 0, 0, 170
 hspr HSPR_USGS, 2009-09-19,  SAH ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L001,  ASH701945E_M,  CR520031622,  NONE, 1.3188, 1.3669, 30, 15530
 hspr HSPR_USGS, 2009-09-30,  WRT ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 1.1995, 1.2489, 30, 2030