benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cmhz, 2008-09-09,  ACalvertTSisson ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220290947,  NP,  TRM41249.00,  1234066,  NONE, 0.9067, 0.9661, 15, 30
 cmhz, 2008-09-10,  ACalvertTSisson ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220290947,  NP,  TRM41249.00,  1234066,  NONE, 0.9067, 0.9661, 15, 30