benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 nev1, 1993-10-16,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SST,  2931A00285,  NP,  TRM14532.00,  2952A00032,  NONE, 1.2536, 0, 30, 165030
 nev1, 1993-10-17,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3327A03467,  NP,  TRM14532.00,  2952A00031,  NONE, 1.009, 0, 15, 155230
 nev1, 1993-10-18,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3327A03462,  NP,  TRM14532.00,  3006A00024,  NONE, 0.9526, 0, 30, 1650
 nev1, 1994-10-21,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05698,  NP,  TRM22020.00+GP,  0080098672,  NONE, 1.1353, 0, 30, 153330
 nev1, 1994-10-22,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3337A03972,  NP,  TRM22020.00+GP,  80053867,  NONE, 1.3061, 0, 30, 16030
 nev1, 1994-10-23,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3327A03454,  NP,  TRM22020.00+GP,  0080049770,  NONE, 1.1587, 0, 30, 17430
 nev1, 1995-10-14,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3352A04780,  NP,  TRM14532.00,  3034A00276,  NONE, 1.1862, 0, 30, 0
 nev1, 1996-08-31,  Davis/Bennett ,  UNKNOWN ,  TRIMBLE 4000SSE,  3526A11463,  NP,  TRM14532.00,  3326A68496,  NONE, 1.2396, 0, 30, 15360
 nev1, 1996-09-01,  Davis/Bennett ,  UNKNOWN ,  TRIMBLE 4000SSE,  3526A11463,  NP,  TRM14532.00,  3326A68496,  NONE, 1.2396, 0, 30, 0
 nev1, 2002-09-25,  Hogan/Bennett ,  State of Nev Dept o,  TRIMBLE 4000SSI,  3626A16307,  NP,  TRM22020.00+GP,  0080104451,  NONE, 0.9554, 0, 15, 345