benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 lodo Lodoga_1949, 1993-09-21,  Burgmann Roland ,  Stanford University ,  TRIMBLE 4000SSE,  3235A003880,  NP,  TRM14532.00,  3334A69086,  NONE, 1.2921, 0, 30, 15230
 lodo Lodoga_1949, 1993-09-22,  Burgmann Roland ,  Stanford University ,  TRIMBLE 4000SSE,  3235A003880,  NP,  TRM14532.00,  3334A69086,  NONE, 1.2698, 0, 30, 16530
 lodo Unknown, 1994-04-26,  Steve Holdorff ,  National Geodetic Su,  TRIMBLE 4000,  1528,  SSE,  TRM14532.00,  20,  NONE, 2.22, 0, 15, 162845
 lodo Lodoga_1949, 1994-06-20,  Yu E. ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05687,  NP,  TRM14532.00,  3015A00140,  NONE, 1.3378, 0, 30, 17530
 lodo Lodoga_1949, 1994-06-21,  Yu E. ,  Stanford University ,  TRIMBLE 4000SSE,  3414A05698,  NP,  TRM14532.00,  3015A00140,  NONE, 1.2678, 0, 30, 173530
 lodo Lodoga_1949, 1994-06-27,  Yu E. ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05687,  NP,  TRM14532.00,  3015A00140,  NONE, 1.3479, 0, 30, 16240
 lodo Lodoga_1949, 1994-06-28,  UNKNOWN ,  UNKNOWN ,  TRIMBLE 4000SSE,  3414A05699,  NP,  TRM22020.00+GP,  0080098261,  NONE, 1.5096, 0, 30, 1610