benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 rd49 Unknown, 1994-04-29,  Steve Holdorff ,  National Geodetic Su,  TRIMBLE 4000,  1531,  SSE,  TRM14532.00,  17,  NONE, 2.22, 0, 15, 16350
 rd49, 1994-06-20,   ,   ,  TRIMBLE 4000SSE,  3414A05697,  NP,  TRM22020.00+GP,  0080098667,  NONE, 1.369, 0, 30, 13450
 rd49 Red_USGS_1949_1976, 2008-11-19,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8028, 0.8589, 30, 0
 rd49 Red_USGS_1949_1976, 2008-11-20,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8028, 0.8589, 30, 0
 rd49 Red_USGS_1949_1976, 2008-11-21,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE21,  ASH700936D_M,  CR14341,  NONE, 0.8028, 0.8589, 30, 0
 rd49 Red_USGS_1949_1976, 2010-10-19,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 0.853, 0.9079, 15, 182715
 rd49 Red_USGS_1949_1976, 2010-10-20,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 0.853, 0.9079, 15, 0
 rd49 Red_USGS_1949_1976, 2010-10-21,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 0.853, 0.9079, 15, 0
 rd49 Red_USGS_1949_1976, 2012-03-06,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.5542, 0.6188, 15, 164845
 rd49 Red_USGS_1949_1976, 2012-03-07,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.5542, 0.6188, 15, 0
 rd49 Red_USGS_1949_1976, 2012-03-08,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.5542, 0.6188, 15, 0
 rd49 Red_USGS_1949_1976, 2012-03-09,  JLS ,  USGS ,  JAVAD,  00588 ,  TRE_G3TH SIGMA3.3.1,  JAVRINGANT_DM,  00488,  NONE, 0.5542, 0.6188, 15, 0
 rd49 Red_USGS_1949_1976, 2013-03-26,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.8376, 0.8929, 15, 172645
 rd49 Red_USGS_1949_1976, 2013-03-27,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.8376, 0.8929, 15, 0
 rd49 Red_USGS_1949_1976, 2013-03-28,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.8376, 0.8929, 15, 0