benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 mn54 Mine_1954_USC&GS, 1994-07-07,  KMH ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 0.3586, 0.4368, 30, 174830
 mn54 Mine_1954_USC&GS, 2000-08-17,  JLS ,   ,  ASHTECH,  188 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.1832, 1.2328, 30, 30
 mn54 Mine_1954_USC&GS, 2000-08-18,  JLS ,   ,  ASHTECH,  188 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.1832, 1.2328, 30, 30
 mn54 Mine_1954_USC&GS, 2000-08-19,  JLS ,   ,  ASHTECH,  188 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.1832, 1.2328, 30, 30
 mn54 Mine_1954_USC&GS, 2004-05-13,  JLS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.1874, 1.2369, 30, 30
 mn54 Mine_1954_USC&GS, 2004-05-14,  JLS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.1874, 1.2369, 30, 30
 mn54 Mine_1954_USC&GS, 2004-05-15,  JLS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992805,  NONE, 1.1874, 1.2369, 30, 30