benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 gimt, 2008-09-10,  DMiller JVallance ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220214232,  NP,  TRM41249.00,  60059999,  NONE, 0.5624, 0.63, 30, 30
 gimt, 2016-09-09,  SHERROD ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00594,  SIGMA3.6.6,  TRM41249.00,  60121200,  NONE, 0.5286, 0.5976, 15, 140