benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 crbx CRBX_200_USGS, 2017-09-12,  ELP ,  USGS ,  JAVAD TRE_G3TH,  01657,  SIGMA3.5.14,  JAVRINGANT_DM,  00488,  NONE, 0.7946, 0.8509, 15, 195930
 crbx, 2005-12-03,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.5131, 0.5799, 30, 0
 crbx, 2005-12-04,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.5131, 0.5799, 30, 0
 crbx, 2005-12-05,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.5131, 0.5799, 30, 0
 crbx, 2005-12-06,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.5131, 0.5799, 30, 0
 crbx CRBX_200_USGS, 2006-08-25,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.4674, 0.5369, 30, 0
 crbx CRBX_200_USGS, 2006-08-26,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.4674, 0.5369, 30, 0
 crbx CRBX_200_USGS, 2006-08-27,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.4674, 0.5369, 30, 0
 crbx CRBX_200_USGS, 2006-08-28,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.4674, 0.5369, 30, 0
 crbx CRBX_200_USGS, 2007-08-21,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.5909, 0.6539, 30, 0
 crbx CRBX_200_USGS, 2007-08-22,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.5909, 0.6539, 30, 0
 crbx CRBX_200_USGS, 2007-08-23,  GDH ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.5909, 0.6539, 30, 0
 crbx CRBX_200_USGS, 2008-08-03,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8212, 0.8768, 30, 0
 crbx CRBX_200_USGS, 2008-08-04,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8212, 0.8768, 30, 0
 crbx CRBX_200_USGS, 2008-08-05,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8212, 0.8768, 30, 0
 crbx CRBX_200_USGS, 2010-07-22,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-23,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-24,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-25,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-26,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-27,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2010-07-28,  JMS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.8202, 0.8758, 15, 0
 crbx CRBX_200_USGS, 2017-09-13,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00488,  NONE, 0.7946, 0.8509, 15, 0
 crbx CRBX_200_USGS, 2017-09-14,  ELP ,  USGS ,  JAVAD,  01657 ,  TRE_G3TH SIGMA3.5.1,  JAVRINGANT_DM,  00488,  NONE, 0.7946, 0.8509, 15, 0