benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 trng Triangle, 2016-07-25,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00334,  SIGMA3.6.6,  TRM41249.00,  12097484,  NONE, 0.6173, 0.6831, 15, 22370
 trng Triangle, 2016-07-26,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00334,  SIGMA3.6.6,  TRM41249.00,  12097484,  NONE, 0.6173, 0.6831, 15, 0
 trng Triangle, 2016-07-27,  R. Kramer ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00334,  SIGMA3.6.6,  TRM41249.00,  12097484,  NONE, 0.6173, 0.6831, 15, 0
 trng Triangle, 2002-08-25,  MPP ,  -Unknown- ,  ASHTECH,  621 ,  Z-XII3 CC00,  ASH701945B_M,  303,  NONE, 0.4831, 0.5516, 30, 4730
 trng Triangle, 2002-08-26,  MPP ,  -Unknown- ,  ASHTECH,  621 ,  Z-XII3 CC00,  ASH701945B_M,  303,  NONE, 0.4831, 0.5516, 30, 0
 trng Triangle, 2009-08-25,  P. Neff ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60142391,  NONE, 0.6739, 0.738, 15, 4945
 trng Triangle, 2009-08-26,  P. Neff ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60142391,  NONE, 0.6739, 0.738, 15, 30
 trng Triangle, 2009-08-27,  P. Neff ,  USGS/Cascades Volcan,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60142391,  NONE, 0.6739, 0.738, 15, 30