benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 fxda, 2009-08-25,  B. Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  60054886,  NONE, 0.9128, 0.9721, 15, 1900
 fxda, 2009-08-26,  B. Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  60054886,  NONE, 0.9128, 0.9721, 15, 30
 fxda, 2009-08-27,  B. Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  60054886,  NONE, 0.9128, 0.9721, 15, 30
 fxda, 2016-07-26,  R. Till ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60125132,  NONE, 0.3961, 0.472, 15, 915
 fxda, 2016-07-27,  R. Till ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60125132,  NONE, 0.3961, 0.472, 15, 0