benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 siff, 2006-08-01,  MLRGKA ,  USGS/Cascades Volcan,  TRIMBLE,  4526253186 ,  NETRS NP,  TRM41249.00,  12354183,  NONE, 0.5343, 0.603, 15, 0
 siff, 2006-08-02,  MLRGKA ,  USGS/Cascades Volcan,  TRIMBLE,  4526253186 ,  NETRS NP,  TRM41249.00,  12354183,  NONE, 0.5343, 0.603, 15, 0
 siff, 2012-07-21,  B. Pauk ML ,  USGS/Cascades Volcan,  TRIMBLE,  0220320138 ,  5700 2.01,  TRM41249.00,  60261108,  NONE, 0.4827, 0.5537, 15, 30
 siff, 2012-07-22,  B. Pauk ML ,  USGS/Cascades Volcan,  TRIMBLE,  0220320138 ,  5700 2.01,  TRM41249.00,  60261108,  NONE, 0.4827, 0.5537, 15, 30
 siff, 2018-07-25,  R. Kramer ,  USGS/CalVO ,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60180849,  NONE, 0.5728, 0.6401, 15, 16280
 siff, 2018-07-26,  R. Kramer ,  USGS/CalVO ,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60180849,  NONE, 0.5728, 0.6401, 15, 0
 siff, 2018-07-27,  R. Kramer ,  USGS/CalVO ,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.7,  TRM41249.00,  60180849,  NONE, 0.5728, 0.6401, 15, 0