benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ts21, 2006-08-17,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 2115
 ts21, 2006-08-18,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 30
 ts21, 2006-08-19,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 30
 ts21, 2006-08-20,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 30
 ts21, 2006-08-21,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 30
 ts21, 2006-08-22,  DS ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  NP,  TRM41249.00,  12354066,  NONE, 0.4683, 0.54, 15, 30
 ts21, 2008-08-19,  DSBP ,  USGS/Cascades Volcan,  TPS GB-1000,  T222128,  3.1,  TRM41249.00,  12354183,  NONE, 0.5481, 0.6163, 15, 0
 ts21, 2008-08-20,  DSBP ,  USGS/Cascades Volcan,  TPS GB-1000,  T222128,  3.1,  TRM41249.00,  12354183,  NONE, 0.5481, 0.6163, 15, 0
 ts21, 2013-08-14,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-15,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-16,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-17,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-18,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-19,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-20,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-21,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-22,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-23,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2013-08-24,  Sherrod ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.5.1,  TRM41249.00,  60194583,  NONE, 0.6038, 0.67, 15, 0
 ts21, 2003-09-07,  ML CH ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  12300046,  NONE, 0.5582, 0.626, 30, 30
 ts21, 2003-09-08,  ML CH ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  12300046,  NONE, 0.5582, 0.626, 30, 30
 ts21, 2004-08-25,  DSAD ,  USGS/Cascades Volcan,  TRIMBLE,  0220315215 ,  5700 NP,  TRM41249.00,  12560472,  NONE, 0.4944, 0.5649, 30, 183930
 ts21, 2004-08-26,  DSAD ,  USGS/Cascades Volcan,  TRIMBLE,  0220315215 ,  5700 NP,  TRM41249.00,  12560472,  NONE, 0.4944, 0.5649, 30, 30
 ts21, 2004-08-27,  DSAD ,  USGS/Cascades Volcan,  TRIMBLE,  0220315215 ,  5700 NP,  TRM41249.00,  12560472,  NONE, 0.4944, 0.5649, 30, 30
 ts21, 2005-08-24,  MLRL ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  12354183,  NONE, 0.5374, 0.606, 30, 29.994
 ts21, 2005-08-25,  MLRL ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  12354183,  NONE, 0.5374, 0.606, 30, 0