benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 01rd Unknown, 1994-04-28,  Steve Holdorff ,  National Geodetic Su,  TRIMBLE 4000,  1514,  SSE,  TRM14532.00,  64301,  NONE, 1.51, 0, 15, 18015
 HPGN-D 01-RD, 2001-05-19,  Jeff Freymueller ,  Geophysical Inst/UAF,  TRIMBLE 4000SSI,  14442,  NP,  TRM22020.00+GP,  48776,  NONE, 1.4894, 0, 30, 1630
 HPGN-D 01-RD, 2001-05-23,  Jeff Freymueller ,  Geophysical Inst/UAF,  TRIMBLE 4000SSI,  14442,  NP,  TRM22020.00+GP,  48776,  NONE, 1.5551, 0, 30, 1600