benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 snrl, 2000-07-03,  TSB ,  USC ,  ASHTECH Z-XII3,  175,  CD00,  ASH700936E_C,  CR16381,  NONE, 1.0193, 1.0711, 30, 30
 snrl, 2000-07-04,  TSB ,  USC ,  ASHTECH Z-XII3,  175,  CD00,  ASH700936E_C,  CR16381,  NONE, 1.0193, 1.0711, 30, 30
 snrl, 2000-07-06,  NMF ,  USC ,  ASHTECH Z-XII3,  312,  CC00,  ASH700936E_C,  CR16404,  NONE, 0.8749, 0.9294, 30, 530
 snrl, 2000-07-07,  LK_ ,  USC ,  ASHTECH Z-XII3,  312,  CC00,  ASH700936E_C,  CR16404,  NONE, 0.8205, 0.8761, 30, 145130
 snrl, 2000-07-12,  TSB ,  USC ,  ASHTECH Z-XII3,  174,  CD00,  ASH700936E_C,  CR16364,  NONE, 0.9875, 1.0399, 30, 15030
 snrl, 2000-07-13,  TSB ,  USC ,  ASHTECH Z-XII3,  174,  CD00,  ASH700936E_C,  CR16364,  NONE, 0.9875, 1.0399, 30, 30
 snrl, 2001-07-30,  DR_ ,  USC ,  ASHTECH Z-XII3,  174,  CD00,  ASH700936E_C,  CR16381,  NONE, 1.232, 1.281, 30, 30
 snrl, 2001-08-01,  IEC ,  USC ,  ASHTECH Z-XII3,  378,  CC00,  ASH700936D_M,  12653,  NONE, 1.3073, 1.3555, 30, 22430
 snrl, 2010-04-17,  JMS ,  USGS ,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60249097,  NONE, 0.6224, 0.688, 15, 30
 snrl, 2010-04-18,  JMS ,  USGS ,  TRIMBLE,  0220320193 ,  5700 NP,  TRM41249.00,  60249097,  NONE, 0.6224, 0.688, 15, 30