benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 alop Alop_USGS, 2016-10-12,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 190
 alop Alop_USGS, 2016-10-13,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 630
 alop Alop_USGS, 2016-10-14,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 115
 alop Alop_USGS, 2016-10-15,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 10
 alop Alop_USGS, 2016-10-16,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 215
 alop Alop_USGS, 2016-10-17,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 745
 alop Alop_USGS, 2016-10-18,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD TRE_G3TH,  00344,  SIGMA3.6.6,  TRM41249.00,  60267811,  NONE, 0.4121, 0.487, 15, 13315
 alop, 1999-09-16,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.1731, 1.2228, 30, 153530
 alop, 1999-09-20,  GDH ,   ,  ASHTECH,  4600 ,  Z-XII3 CC00,  ASH700936D_M,  CR14341,  NONE, 1.2591, 1.3078, 30, 15500
 alop Alop_USGS, 2008-09-16,  JMS ,  USGS ,  ASHTECH,  LP020000801 ,  Z-XII 1L00,  ASH701945E_M,  CR520031626,  NONE, 1.1803, 1.2299, 30, 16330
 alop Alop_USGS, 2013-09-10,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 0.8264, 0.8819, 15, 18645
 alop Alop_USGS, 2013-09-11,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 0.8264, 0.8819, 15, 0
 alop Alop_USGS, 2013-09-12,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 0.8264, 0.8819, 15, 0
 alop Alop_USGS, 2013-09-13,  JLS ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.3.1,  ASH701945E_M,  CR620022605,  NONE, 0.8264, 0.8819, 15, 0
 alop Alop_USGS, 2015-03-13,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.0,  TRM41249.00,  60267811,  NONE, 0.5945, 0.661, 15, 2215
 alop Alop_USGS, 2015-03-14,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.0,  TRM41249.00,  60267811,  NONE, 0.5945, 0.661, 15, 0
 alop Alop_USGS, 2015-03-15,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.0,  TRM41249.00,  60267811,  NONE, 0.5945, 0.661, 15, 0
 alop Alop_USGS, 2015-03-16,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.0,  TRM41249.00,  60267811,  NONE, 0.5945, 0.661, 15, 0
 alop Alop_USGS, 2015-03-17,  Daniel Dzurisin ,  USGS/Cascades Volcan,  JAVAD,  00483 ,  TRE_G3TH SIGMA3.6.0,  TRM41249.00,  60267811,  NONE, 0.5945, 0.661, 15, 0