benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 obsp, 2004-07-13,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 4000SSI,  16418,  NP,  TRM29659.00,  022066915,  NONE, 1.1357, 0, 30, 163930
 obsp, 2004-07-14,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 4000SSI,  16418,  NP,  TRM29659.00,  022066915,  NONE, 1.1357, 0, 30, 30
 obsp, 2004-07-15,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 4000SSI,  16418,  NP,  TRM29659.00,  022066915,  NONE, 1.1357, 0, 30, 30
 obsp, 2006-07-30,  MLRG ,  USGS/Cascades Volcan,  TRIMBLE,  14804 ,  4000SSI NP,  TRM29659.00,  0220066593,  NONE, 1.1042, 0, 30, 30
 obsp, 2006-07-31,  MLRG ,  USGS/Cascades Volcan,  TRIMBLE,  14804 ,  4000SSI NP,  TRM29659.00,  0220066593,  NONE, 1.1042, 0, 30, 30
 obsp, 2012-07-20,  B. Pauk ,  USGS/Cascades Volcan,  TPS,  T222123 ,  GB-1000 3.4,  TRM41249.00,  60243776,  NONE, 0.6991, 0.7626, 15, 0
 obsp, 2012-07-21,  B. Pauk ,  USGS/Cascades Volcan,  TPS,  T222123 ,  GB-1000 3.4,  TRM41249.00,  60243776,  NONE, 0.6991, 0.7626, 15, 0
 obsp, 2018-07-26,  M. Poland ,  USGS/CalVO ,  JAVAD,  00344 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60267811,  NONE, 0.7627, 0.8247, 15, 1115
 obsp, 2018-07-27,  M. Poland ,  USGS/CalVO ,  JAVAD,  00344 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60267811,  NONE, 0.7627, 0.8247, 15, 0