benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 frst, 2007-08-30,  Brendan Hodge ,   WWU ,  TRIMBLE 5700,  220240424,  NP,  TRM41249.00,  12354008,  NONE, 0.485, 0.5559, 0, 20370
 frst, 2015-08-25,  MEYERS SHERROD ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00334,  SIGMA3.6.2,  TRM41249.00,  60267811,  NONE, 0.4694, 0.5411, 15, 181815
 frst, 2015-08-26,  MEYERS SHERROD ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00334,  SIGMA3.6.2,  TRM41249.00,  60267811,  NONE, 0.4694, 0.5411, 15, 0