benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 btcr, 2016-10-26,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.5.9,  JAVRINGANT_DM,  01600,  NONE, 0.8376, 0.8929, 15, 161815
 btcr, 2016-10-27,  ELP ,  USGS ,  JAVAD,  01659 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00580,  NONE, 0.7884, 0.8448, 15, 152815
 btcr, 2021-07-07,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14329,  NONE, 0.7792, 0.8359, 15, 132030
 btcr, 2021-07-08,  ELP ,  USGS ,  JAVAD,  01658 ,  TRE_G3TH SIGMA3.7.6,  ASH700936D_M,  CR14329,  NONE, 0.7133, 0.7718, 15, 131130
 btcr, 2022-06-15,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.7956, 0.8518, 15, 14130
 btcr, 2022-06-16,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.7.6,  JAVRINGANT_DM,  01600,  NONE, 0.8069, 0.8629, 15, 125615