benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 brcr, 2016-07-14,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14329,  NONE, 0.8908, 0.9449, 15, 0
 brcr, 2016-07-15,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14329,  NONE, 0.8908, 0.9449, 15, 0
 brcr, 2016-07-16,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.9,  ASH700936D_M,  CR14329,  NONE, 0.8908, 0.9449, 15, 0
 brcr, 2018-07-17,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01592,  NONE, 0.8468, 0.9018, 15, 415
 brcr, 2018-07-18,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01592,  NONE, 0.8468, 0.9018, 15, 0
 brcr, 2018-07-19,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01592,  NONE, 0.8468, 0.9018, 15, 0
 brcr, 2018-07-20,  ELP ,  USGS ,  JAVAD,  01660 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  01592,  NONE, 0.8468, 0.9018, 15, 0
 brcr, 2021-07-07,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.8264, 0.8819, 15, 16390
 brcr, 2021-07-08,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.8264, 0.8819, 15, 0
 brcr, 2021-07-09,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.8264, 0.8819, 15, 0
 brcr, 2021-07-10,  JLS ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.7.6,  ASH701945E_M,  CR520031615,  NONE, 0.8264, 0.8819, 15, 0
 brcr, 2022-07-17,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7977, 0.8539, 15, 152930
 brcr, 2022-07-18,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7977, 0.8539, 15, 0
 brcr, 2022-07-19,  ELP ,  USGS ,  JAVAD,  01337 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  00580,  NONE, 0.7977, 0.8539, 15, 0