benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 chrt, 1994-06-18,  Freymueller J. ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05685,  NP,  TRM14532.00,  3015A00136,  NONE, 1.1845, 0, 30, 155630
 chrt, 1994-06-20,  Burgmann Roland ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.0486, 0, 30, 161430
 chrt, 1994-06-21,  Burgmann Roland ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.0486, 0, 30, 30