benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cary Carey, 2016-07-25,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.6.6,  TRM57971.00,  1441009066,  NONE, 1.1174, 1.1741, 15, 3310
 cary Carey, 2016-07-26,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00456,  SIGMA3.6.6,  TRM57971.00,  1441009066,  NONE, 1.1174, 1.1741, 15, 0
 cary Carey, 2002-08-28,  MP DZ ,  USGS ,  TRIMBLE,  16417 ,  4000SSI Nav,  TRM29659.00,  00062086,  NONE, 1.2242, 0, 30, 3230
 cary Carey, 2002-08-29,  MP DZ ,  USGS ,  TRIMBLE,  16417 ,  4000SSI Nav,  TRM29659.00,  00062086,  NONE, 1.2641, 0, 30, 3330
 cary Carey, 2009-08-27,  P. Neff ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60142391,  NONE, 0.5171, 0.5866, 15, 18560
 cary Carey, 2009-08-28,  P. Neff ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60142391,  NONE, 0.5171, 0.5866, 15, 30