benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 karl Karluk_GPS_1989_USGS, 1993-06-19,  MHM ,  SH ,  ROGUE,  132 ,  SNR-8000 7A,  AOAD/M_T,  *132,  NONE, 1.1723, 0, 30, 14000
 karl Karluk_GPS_1989_USGS, 1993-06-20,  MHM ,  SH ,  ROGUE,  132 ,  SNR-8000 7A,  AOAD/M_T,  *132,  NONE, 1.1723, 0, 30, 0
 karl Karluk_GPS_1989_USGS, 1993-06-21,  ,  ,  ROGUE,  132 ,  SNR-8000 7A,  AOAD/M_T,  *132,  NONE, 1.1723, 0, 30, 0
 karl Karluk_GPS_1989_USGS, 1995-06-01,  STIFFLER ,  USGS ,  ROGUE,  DS24 ,  SNR-8000 95.03,  AOAD/M_T,  DS24,  NONE, 1.2582, 0, 30, 174530
 karl Karluk_GPS_1989_USGS, 1995-06-02,  STIFFLER ,  USGS ,  ROGUE,  DS24 ,  SNR-8000 95.03,  AOAD/M_T,  DS24,  NONE, 1.2582, 0, 30, 0
 karl Karluk_GPS_1989_USGS, 1995-06-03,  STIFFLER ,  USGS ,  ROGUE,  DS24 ,  SNR-8000 95.03,  AOAD/M_T,  DS24,  NONE, 1.2582, 0, 30, 0
 karl Karluk_GPS_1989_USGS, 1997-06-21,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700936D_M,  CR14329,  NONE, 1.1731, 1.2228, 30, 10
 karl Karluk_GPS_1989_USGS, 1997-06-22,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700936D_M,  CR14329,  NONE, 1.1731, 1.2228, 30, 10
 karl Karluk_GPS_1989_USGS, 1997-06-23,  CHS ,  USGS ,  ASHTECH,  270 ,  Z-XII3 1E86,  ASH700936D_M,  CR14329,  NONE, 1.1731, 1.2228, 30, 10
 karl Karluk_GPS_1989_USGS, 2000-06-26,  GDH ,  USGS ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1751, 1.2248, 15, 190
 karl Karluk_GPS_1989_USGS, 2000-06-27,  GDH ,  USGS ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1751, 1.2248, 15, 15
 karl Karluk_GPS_1989_USGS, 2000-06-28,  GDH ,  USGS ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1751, 1.2248, 15, 15
 karl Karluk_GPS_1989_USGS, 2000-06-29,  GDH ,  USGS ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1751, 1.2248, 15, 15
 karl Karluk_GPS_1989_USGS, 2000-06-30,  GDH ,  USGS ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14329,  NONE, 1.1751, 1.2248, 15, 15