benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 nmar, 2005-06-21,  EYI ,  USGS/Cascades Volcan,  ASHTECH Z-XII3,  621,  CC00,  ASH701945B_M,  cr520003803,  NONE, 1.326, 1.3741, 30, 19220
 nmar, 2005-06-22,  EYI ,  USGS/Cascades Volcan,  ASHTECH Z-XII3,  621,  CC00,  ASH701945B_M,  cr520003803,  NONE, 1.326, 1.3741, 30, 30
 nmar, 2008-09-17,  ST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220211182,  NP,  TRM41249.00,  60059999,  NONE, 1.0622, 1.1195, 30, 30
 nmar, 2008-09-18,  ST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220211182,  NP,  TRM41249.00,  60059999,  NONE, 1.0622, 1.1195, 30, 30
 nmar, 2008-09-19,  ST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220211182,  NP,  TRM41249.00,  60059999,  NONE, 1.0622, 1.1195, 30, 30
 nmar, 2011-11-02,  Ben Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220264600,  1.20,  TRM41249.00,  not_legible,  NONE, 0.6461, 0.711, 15, 18340
 nmar, 2011-11-03,  Ben Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220264600,  1.20,  TRM41249.00,  not_legible,  NONE, 0.6461, 0.711, 15, 30
 nmar, 2011-11-04,  Ben Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220264600,  1.20,  TRM41249.00,  not_legible,  NONE, 0.6461, 0.711, 15, 30
 nmar, 2014-07-14,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00597,  SIGMA3.5.4,  TRM41249.00,  60142391,  NONE, 0.6379, 0.703, 15, 0
 nmar, 2000-09-25,  unknown ,  CVO ,  TRIMBLE,  24595 ,  4000SSI NP,  TRM29659.00,  138191,  NONE, 1.2752, 0, 30, 17480
 nmar, 2000-09-26,  unknown ,  CVO ,  TRIMBLE,  24595 ,  4000SSI NP,  TRM29659.00,  138191,  NONE, 1.2752, 0, 30, 30
 nmar, 2000-09-27,  unknown ,  CVO ,  TRIMBLE,  24595 ,  4000SSI NP,  TRM29659.00,  138191,  NONE, 1.2752, 0, 30, 30
 nmar, 2003-07-31,  ML MJL ,  USGS/CVO ,  TRIMBLE,  14804 ,  4000SSI NP,  TRM29659.00,  66915,  NONE, 1.2718, 0, 0, 30
 nmar, 2003-08-29,  ML ,  USGS/Cascades Volcan,  TRIMBLE,  0220273277 ,  5700 NP,  TRM41249.00,  12299975,  NONE, 1.2915, 1.3466, 30, 3630
 nmar, 2014-07-11,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00597 ,  TRE_G3TH SIGMA3.5.4,  TRM41249.00,  60142391,  NONE, 0.6379, 0.703, 15, 195315
 nmar, 2014-07-12,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00597 ,  TRE_G3TH SIGMA3.5.4,  TRM41249.00,  60142391,  NONE, 0.6379, 0.703, 15, 0
 nmar, 2014-07-13,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00597 ,  TRE_G3TH SIGMA3.5.4,  TRM41249.00,  60142391,  NONE, 0.6379, 0.703, 15, 0