benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 elas, 2006-07-29,  SDRG ,  USGS/Cascades Volcan,  TRIMBLE,  4606205191 ,  NETRS NP,  TRM41249.00,  60073652,  NONE, 0.4649, 0.5368, 15, 0
 elas, 2006-07-30,  SDRG ,  USGS/Cascades Volcan,  TRIMBLE,  4606205191 ,  NETRS NP,  TRM41249.00,  60073652,  NONE, 0.4649, 0.5368, 15, 0
 elas, 2012-09-21,  R. Denlinger ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 1.20,  TRM41249.00,  60194628,  NONE, 0.4502, 0.5229, 15, 30
 elas, 2012-09-22,  R. Denlinger ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 1.20,  TRM41249.00,  60194628,  NONE, 0.4502, 0.5229, 15, 30