benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ts20, 2005-08-22,  MLGRH ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354183,  NONE, 0.3972, 0.4731, 30, 29.996
 ts20, 2006-08-17,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320135,  NP,  TRM41249.00,  12560557,  NONE, 0.4143, 0.4891, 15, 30
 ts20, 2006-08-18,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320135,  NP,  TRM41249.00,  12560557,  NONE, 0.4143, 0.4891, 15, 30
 ts20, 2006-08-19,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320135,  NP,  TRM41249.00,  12560557,  NONE, 0.4143, 0.4891, 15, 30
 ts20, 2006-08-20,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320135,  NP,  TRM41249.00,  12560557,  NONE, 0.4143, 0.4891, 15, 30
 ts20, 2006-08-21,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320135,  NP,  TRM41249.00,  12560557,  NONE, 0.4143, 0.4891, 15, 30
 ts20, 2008-08-16,  DSBP ,  USGS/Cascades Volcan,  TPS GB-1000,  T222128,  3.1,  TRM41249.00,  12354183,  NONE, 0.3923, 0.4685, 15, 184715
 ts20, 2008-08-17,  DSBP ,  USGS/Cascades Volcan,  TPS GB-1000,  T222128,  3.1,  TRM41249.00,  12354183,  NONE, 0.3923, 0.4685, 15, 0
 ts20, 2013-08-13,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.5.1,  TRM41249.00,  1441000320,  NONE, 0.4946, 0.5651, 15, 0
 ts20, 2013-08-14,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.5.1,  TRM41249.00,  1441000320,  NONE, 0.4946, 0.5651, 15, 0
 ts20, 2013-08-15,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.5.1,  TRM41249.00,  1441000320,  NONE, 0.4946, 0.5651, 15, 0
 ts20, 2013-08-16,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.5.1,  TRM41249.00,  1441000320,  NONE, 0.4946, 0.5651, 15, 0
 ts20, 2003-09-03,  ML CH ,  USGS/Cascades Volcan,  TRIMBLE,  0220274280 ,  5700 NP,  TRM41249.00,  12300046,  NONE, 0.4993, 0.5695, 30, 3330
 ts20, 2003-09-04,  ML CH ,  USGS/Cascades Volcan,  TRIMBLE,  0220274280 ,  5700 NP,  TRM41249.00,  12300046,  NONE, 0.4993, 0.5695, 30, 30
 ts20, 2004-08-27,  MLRLSL ,  USGS/Cascades Volcan,  TRIMBLE,  0220290947 ,  5700 NP,  TRM41249.00,  12532257,  NONE, 0.4653, 0.5372, 30, 30
 ts20, 2004-08-28,  MLRLSL ,  USGS/Cascades Volcan,  TRIMBLE,  0220290947 ,  5700 NP,  TRM41249.00,  12532257,  NONE, 0.4653, 0.5372, 30, 30