benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 san2, 1996-06-14,  unknown ,  CVO ,  Trimble 4000SSE,  03583,  GammaNP,  TRM14532.00,  688540,  NONE, 1.2255, 0, 30, 135230
 san2, 1996-06-15,  unknown ,  CVO ,  Trimble 4000SSE,  03583,  GammaNP,  TRM14532.00,  688540,  NONE, 1.2138, 0, 30, 13410