benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 curb, 2008-09-09,  ACalvertTSisson ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220263478,  NP,  TRM41249.00,  60142241,  NONE, 0.4255, 0.4996, 15, 1370
 curb, 2016-09-14,  KRAMER ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00623,  SIGMA3.6.3,  TRM57971.00,  1441000320,  NONE, 0.5832, 0.6501, 15, 175830
 curb, 2016-09-15,  KRAMER ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00623,  SIGMA3.6.3,  TRM57971.00,  1441000320,  NONE, 0.5832, 0.6501, 15, 12045