benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 4100, 2000-09-13,  unknown ,  CVO ,  TRIMBLE 4000SSI,  15468,  NP,  TRM29659.00,  66916,  NONE, 1.0991, 0, 30, 5430
 4100, 2007-07-06,  EYI ,  USGS/Cascades Volcan,  TRIMBLE NETRS,  4625209419,  NP,  TRM41249.00,  12354183,  NONE, 1.2923, 1.3474, 15, 0
 4100, 2007-07-07,  EYI ,  USGS/Cascades Volcan,  TRIMBLE NETRS,  4625209419,  NP,  TRM41249.00,  12354183,  NONE, 1.2923, 1.3474, 15, 0
 4100, 2008-07-14,  EYIST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220213985,  NP,  TRM41249.00,  60052133,  NONE, 1.1315, 1.188, 30, 18340
 4100, 2008-07-15,  EYIST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220213985,  NP,  TRM41249.00,  60052133,  NONE, 1.1315, 1.188, 30, 30
 4100, 2008-07-16,  EYIST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220213985,  NP,  TRM41249.00,  60052133,  NONE, 1.1315, 1.188, 30, 30
 4100, 2008-07-17,  EYIST ,  USGS/Cascades Volcan,  TRIMBLE 4700,  220213985,  NP,  TRM41249.00,  60052133,  NONE, 1.1315, 1.188, 30, 30
 4100, 2011-11-07,  DZ ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  1.20,  TRM41249.00,  60194628,  NONE, 0.6281, 0.6935, 15, 30
 4100, 2011-11-08,  DZ ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  1.20,  TRM41249.00,  60194628,  NONE, 0.6281, 0.6935, 15, 30
 4100, 2011-11-09,  DZ ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  1.20,  TRM41249.00,  60194628,  NONE, 0.6281, 0.6935, 15, 30
 4100, 2011-11-10,  DZ ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  1.20,  TRM41249.00,  60194628,  NONE, 0.6281, 0.6935, 15, 30
 4100, 2000-09-14,  unknown ,  CVO ,  TRIMBLE,  15468 ,  4000SSI NP,  TRM29659.00,  66916,  NONE, 0.965, 0, 30, 15120
 4100, 2003-08-13,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220273277 ,  5700 NP,  TRM41249.00,  12337874,  NONE, 1.3078, 1.3628, 30, 16530
 4100, 2003-08-28,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220274281 ,  5700 NP,  TRM41249.00,  12337874,  NONE, 1.3692, 1.4237, 30, 153530
 4100, 2007-07-05,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  4625209419 ,  NETRS NP,  TRM41249.00,  12354183,  NONE, 1.2923, 1.3474, 15, 0
 4100, 2014-07-22,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00461 ,  TRE_G3TH SIGMA3.5.5,  TRM55971.00,  1441000320,  NONE, 0.7129, 0, 15, 182530
 4100, 2014-07-23,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00461 ,  TRE_G3TH SIGMA3.5.5,  TRM55971.00,  1441000320,  NONE, 0.7129, 0, 15, 0
 4100, 2014-07-24,  RIETMANN ,  USGS/Cascades Volcan,  JAVAD,  00461 ,  TRE_G3TH SIGMA3.5.5,  TRM55971.00,  1441000320,  NONE, 0.7129, 0, 15, 0