benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cwlz, 2009-09-09,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220211200,  NP,  TRM41249.00,  60111426,  NONE, 1.2721, 1.3274, 15, 3730
 cwlz, 2009-09-10,  M. Lisowski ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220211200,  NP,  TRM41249.00,  60111426,  NONE, 1.2721, 1.3274, 15, 30