benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 till Meares_94_USGS, 1994-08-09,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03587,  GammaNP,  TRM14532.00,  00000,  NONE, 0.9945, 0, 30, 125315
 till Meares_94_USGS, 1994-08-10,  unknown ,  CVO ,  TRIMBLE 4000SSE,  03587,  GammaNP,  TRM14532.00,  00000,  NONE, 0.9945, 0, 30, 12470
 till Meares_94_USGS, 1997-08-11,  unknown ,  CVO ,  Trimble 4000SSi,  16106,  NP,  TRM29659.00,  66597,  NONE, 1.5027, 0, 30, 14030
 till Meares_94_USGS, 1997-08-12,  unknown ,  CVO ,  Trimble 4000SSi,  16106,  NP,  TRM29659.00,  66597,  NONE, 1.1563, 0, 30, 13380