benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cgvw, 2006-08-08,  Brendan Hodge ,  WWU ,  TRIMBLE 5700,  220240424,  NP,  TRM41249.00,  12354008,  NONE, 0.5717, 0.639, 0, 222930
 cgvw, 2006-08-09,  Brendan Hodge ,  WWU ,  TRIMBLE 5700,  220240424,  NP,  TRM41249.00,  12354008,  NONE, 0.5717, 0.639, 0, 14.946
 cgvw, 2015-07-07,  DENLINGER ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00454,  SIGMA3.6.2,  TRM57971.00,  1441009309,  NONE, 0.6204, 0.6861, 15, 0