benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 eden, 2001-09-20,  WCH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 0.9457, 0.9987, 30, 16250
 eden, 2001-09-26,  TD ,  USGS ,  TRIMBLE,  3608A14632 ,  4000SSI NP,  TRM29659.00,  0220073540,  NONE, 0.8486, 0, 0, 162930
 eden Eden_USGS, 2006-09-18,  WRT ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993703,  NONE, 1.1104, 1.1609, 30, 30
 eden Eden_USGS, 2010-09-27,  SAH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE210,  ASH701945E_M,  CR620022602,  NONE, 1.1378, 1.1879, 15, 163745