benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 monr MONR_USGS, 2012-08-09,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 1.4076, 1.4549, 15, 0
 monr MONR_USGS, 2012-08-10,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 1.4076, 1.4549, 15, 0
 monr MONR_USGS, 2012-08-11,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 1.4076, 1.4549, 15, 0
 monr MONR_USGS, 2015-07-08,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993702,  NONE, 0.7812, 0.8378, 15, 182415
 monr MONR_USGS, 2015-07-09,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993702,  NONE, 0.7812, 0.8378, 15, 0
 monr MONR_USGS, 2015-07-10,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993702,  NONE, 0.7812, 0.8378, 15, 0
 monr MONR_USGS, 2015-07-11,  ELP ,  USGS ,  JAVAD,  00598 ,  TRE_G3TH SIGMA3.3.1,  ASH701945B_M,  CR519993702,  NONE, 0.7812, 0.8378, 15, 0
 monr MONR_USGS, 2017-07-12,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  00488,  NONE, 0.856, 0.9108, 15, 15270
 monr MONR_USGS, 2017-07-15,  ELP ,  USGS ,  JAVAD,  00624 ,  TRE_G3TH SIGMA3.6.9,  JAVRINGANT_DM,  01600,  NONE, 0.8202, 0.8758, 15, 14615