benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 0204 HPGN_0204, 1999-08-01,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14632,  7.29,  TRM29659.00,  73540,  NONE, 1.3712, 0, 30, 175230
 0204 HPGN_0204, 1999-08-02,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14632,  7.29,  TRM29659.00,  73540,  NONE, 1.4287, 0, 30, 171230
 0204 HPGN_0204, 1999-08-03,  UC BERKELEY ,   ,  TRIMBLE 4000SSI,  14632,  7.29,  TRM29659.00,  73540,  NONE, 1.4266, 0, 30, 16330
 HPGN 0204, 2004-06-02,  Konfal ,  USGS ,  TRIMBLE 4000SSI,  14804,  NP,  TRM29659.00,  62086,  NONE, 1.5456, 0, 0, 15560
 HPGN 0204, 2004-06-03,  Konfal ,  USGS ,  TRIMBLE 4000SSI,  14804,  NP,  TRM29659.00,  62086,  NONE, 1.4458, 0, 0, 181630
 0204 HPGN_0204, 2012-07-17,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE,  0220263478 ,  5700 1.04,  TRM41249.00,  12092454,  NONE, 0.7865, 0.848, 15, 35530