benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 kcln, 2012-07-23,  ML B. Pauk ,  USGS/Cascades Volcan,  TRIMBLE 5700,  0220316024,  2.01,  TRM41249.00,  60194268,  NONE, 0.4941, 0.5646, 15, 30
 kcln, 2018-07-27,  A. Hotovec-Ellis ,  USGS/CalVO ,  JAVAD TRE_G3TH,  00454,  SIGMA3.6.7,  TRM41249.00,  60194628,  NONE, 0.841, 0.9015, 15, 205930
 kcln, 2018-07-28,  A. Hotovec-Ellis ,  USGS/CalVO ,  JAVAD,  00454 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60194628,  NONE, 0.841, 0.9015, 15, 0
 kcln, 2018-07-29,  A. Hotovec-Ellis ,  USGS/CalVO ,  JAVAD,  00454 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60194628,  NONE, 0.841, 0.9015, 15, 0