benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hatl, 2004-07-13,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  12560472,  NONE, 0.8586, 0.9188, 30, 153730
 hatl, 2004-07-14,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  12560472,  NONE, 0.8586, 0.9188, 30, 30
 hatl, 2004-07-15,  MLBH ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220320138,  NP,  TRM41249.00,  12560472,  NONE, 0.8586, 0.9188, 30, 30
 hatl, 2006-08-01,  ML ,  USGS/Cascades Volcan,  TRIMBLE,  4526253179 ,  NETRS NP,  TRM41249.00,  60078853,  NONE, 1.1386, 1.1951, 15, 0
 hatl, 2006-08-02,  ML ,  USGS/Cascades Volcan,  TRIMBLE,  4526253179 ,  NETRS NP,  TRM41249.00,  60078853,  NONE, 1.1386, 1.1951, 15, 0
 hatl, 2012-07-20,  B. Pauk M. Davidson,  USGS/Cascades Volcan,  TRIMBLE,  0220315215 ,  5700 2.01,  TRM41249.00,  60267811,  NONE, 0.4567, 0.529, 15, 30
 hatl, 2012-07-21,  B. Pauk M. Davidson,  USGS/Cascades Volcan,  TRIMBLE,  0220315215 ,  5700 2.01,  TRM41249.00,  60267811,  NONE, 0.4567, 0.529, 15, 30
 hatl, 2018-07-26,  E. Montgomery-Brown ,  USGS/CalVO ,  JAVAD,  00594 ,  TRE_G3TH SIGMA3.6.1,  TRM57971.00,  1441009066,  NONE, 0.7193, 0.7823, 15, 161715
 hatl, 2018-07-27,  E. Montgomery-Brown ,  USGS/CalVO ,  JAVAD,  00594 ,  TRE_G3TH SIGMA3.6.1,  TRM57971.00,  1441009066,  NONE, 0.7193, 0.7823, 15, 0
 hatl, 2018-07-28,  E. Montgomery-Brown ,  USGS/CalVO ,  JAVAD,  00594 ,  TRE_G3TH SIGMA3.6.1,  TRM57971.00,  1441009066,  NONE, 0.7193, 0.7823, 15, 0