benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dmng, 2006-07-23,  Brendan Hodge ,   WWU ,  TRIMBLE 5700,  220240424,  NP,  TRM41249.00,  12354008,  NONE, 0.5925, 0.6591, 0, 2140
 dmng, 2006-07-30,  -Unknown- ,  -Unknown- ,  TRIMBLE 5700,  220240424,  NP,  TRM41249.00,  00000000,  NONE, 0.527, 0.596, 0, 15830
 dmng, 2015-07-01,  DENLINGER ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00454,  SIGMA3.6.2,  TRM57971.00,  NA,  NONE, 0.5645, 0.6321, 15, 64645