benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 ssls, 2001-09-19,  unknown ,  CVO ,  TRIMBLE,  220211182 ,  4700 NP,  TRM29659.00,  14122,  NONE, 1.0362, 0, 30, 3130
 ssls, 2001-09-20,  unknown ,  CVO ,  TRIMBLE,  220211182 ,  4700 NP,  TRM29659.00,  14122,  NONE, 1.0362, 0, 30, 0.012