benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 stev Stevenson_stmpd_P44_1, 1997-08-11,  unknown ,  CVO ,  Trimble 4000SSi,  16418,  NP,  TRM29659.00,  66596,  NONE, 1.4196, 0, 30, 134730
 stev Stevenson_stmpd_P44_1, 1997-08-12,  unknown ,  CVO ,  Trimble 4000SSi,  16418,  NP,  TRM29659.00,  66596,  NONE, 1.3984, 0, 30, 133430
 stev Stevenson_stmpd_P44_1, 2008-07-23,  ST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220213985,  NP,  TRM41249.00,  60052133,  NONE, 1.4048, 1.4591, 30, 162330
 stev Stevenson_stmpd_P44_1, 2011-07-20,  McCaffrey ,  PSU ,  TRIMBLE NETR8,  5025K68495,  4.41,  TRM57971.00,  1441009174,  NONE, 1.3785, 1.4329, 0, 17420
 stev Stevenson_stmpd_P44_1, 2011-07-21,  McCaffrey ,  PSU ,  TRIMBLE NETR8,  5025K68495,  4.41,  TRM57971.00,  1441009174,  NONE, 1.3785, 1.4329, 0, 0
 stev Stevenson_stmpd_P44_, 2007-04-11,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220316023 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 1.4127, 1.4669, 15, 15120
 stev Stevenson_stmpd_P44_, 2007-04-24,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220316023 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 1.4261, 1.4802, 15, 14580