benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 t550, 1994-08-16,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03583,  NP,  TRM14532.00,  68854,  NONE, 1.2225, 0, 30, 12170
 t550, 1994-08-17,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03583,  NP,  TRM14532.00,  68854,  NONE, 1.2042, 0, 30, 12230