benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 dvlc, 2010-08-12,  JK KB BP ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220292018,  1.20,  TRM41249.00,  60243776,  NONE, 0.5905, 0.6572, 15, 25515
 dvlc, 2010-08-17,  BP ,  USGS/Cascades Volcan,  TPS GB-1000,  T222128,  3.1,  TRM41249.00,  60119962,  NONE, 0.5697, 0.6371, 15, 19270
 dvlc, 2010-08-18,  BP ,  USGS/Cascades Volcan,  -Unknown- -Unknown-,  -Unknown-,  ,  TRM41249.00,  60119962,  NONE, 0.5697, 0.6371, 15, 20
 dvlc, 2015-09-23,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00599,  SIGMA3.6.2,  TRM57971.00,  1441009066,  NONE, 0.6544, 0.7191, 15, 195045
 dvlc, 2015-09-24,  MEYERS ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00599,  SIGMA3.6.2,  TRM57971.00,  1441009066,  NONE, 0.6544, 0.7191, 0, 0