benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mh09, 2010-08-11,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 21420
 mh09, 2010-08-12,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-13,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-14,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-15,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-16,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-17,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2010-08-18,  ML ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316023,  2.01,  TRM41249.00,  60194628,  NONE, 0.5645, 0.6321, 15, 30
 mh09, 2015-07-23,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00461,  SIGMA3.6.2,  TRM41249.00,  60194628,  NONE, 0.5333, 0.6021, 15, 0
 mh09, 2015-07-24,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00461,  SIGMA3.6.2,  TRM41249.00,  60194628,  NONE, 0.5333, 0.6021, 15, 0
 mh09, 2015-07-25,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00461,  SIGMA3.6.2,  TRM41249.00,  60194628,  NONE, 0.5333, 0.6021, 15, 0
 mh09, 2015-07-26,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00461,  SIGMA3.6.2,  TRM41249.00,  60194628,  NONE, 0.5333, 0.6021, 15, 0