benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 skoo, 2001-09-15,  WCH ,   ,  ASHTECH,  lp019992803 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2449, 1.2938, 30, 152830
 skoo, 2001-09-19,  TD ,  USGS ,  TRIMBLE,  3608A14632 ,  4000SSI NP,  TRM29659.00,  0220089288,  NONE, 1.4302, 0, 0, 155830
 skoo Skoo_USGS, 2005-09-14,  MAB ,  USGS ,  ASHTECH,  579 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.2592, 1.3079, 30, 16330
 skoo Skoo_USGS, 2006-09-17,  CMH ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2925, 1.3409, 30, 16100