benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 wtmn, 2009-09-09,  T. Sissons ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320193,  NP,  TRM41249.00,  60142391,  NONE, 0.5119, 0.5816, 15, 5945
 wtmn, 2009-09-10,  T. Sissons ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320193,  NP,  TRM41249.00,  60142391,  NONE, 0.5119, 0.5816, 15, 30