benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 tuns Tungsten_1935_USC&GS, 1994-07-17,  JLS ,  USGS ,  ASHTECH,  342 ,  LM-XII3 7X,  ASH700228A,  0165,  NONE, 0.4069, 0.4807, 30, 10
 tuns Tungsten_1933_USC&GS, 2002-07-12,  JLS ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16365,  NONE, 1.158, 1.2079, 30, 165330
 tuns Tungsten_1933_USC&GS, 2002-07-13,  JLS ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16365,  NONE, 1.158, 1.2079, 30, 30
 tuns Tungsten_1933_USC&GS, 2002-07-14,  JLS ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16365,  NONE, 1.158, 1.2079, 30, 30
 tuns Tungsten_1933_USC&GS, 2002-07-15,  JLS ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16365,  NONE, 1.158, 1.2079, 30, 30
 tuns Tungsten_1933_USC&GS, 2002-07-16,  JLS ,  USGS ,  ASHTECH,  LP03175 ,  Z-XII3 CD00,  ASH700936E_C,  CR16365,  NONE, 1.158, 1.2079, 30, 30
 tuns Tungsten_1933_USC&GS, 2005-09-28,  GDH ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.4663, 0.5359, 30, 0
 tuns Tungsten_1933_USC&GS, 2005-09-29,  GDH ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.4663, 0.5359, 30, 32530
 tuns Tungsten_1933_USC&GS, 2005-09-30,  GDH ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.4674, 0.5369, 30, 0
 tuns Tungsten_1933_USC&GS, 2007-07-17,  JLS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.7339, 0.7918, 30, 162230
 tuns Tungsten_1933_USC&GS, 2007-07-18,  JLS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.7339, 0.7918, 30, 0
 tuns Tungsten_1933_USC&GS, 2007-07-19,  JLS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.7339, 0.7918, 30, 0
 tuns Tungsten_1933_USC&GS, 2007-07-20,  JLS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 0.7339, 0.7918, 30, 0
 tuns Tungsten_1933_USC&GS, 2009-07-14,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7401, 0.7978, 30, 155345
 tuns Tungsten_1933_USC&GS, 2009-07-15,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7401, 0.7978, 30, 0
 tuns Tungsten_1933_USC&GS, 2009-07-16,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7401, 0.7978, 30, 0
 tuns Tungsten_1933_USC&GS, 2009-07-17,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14341,  NONE, 0.7401, 0.7978, 30, 0
 tuns Tungsten_1933_USC&GS, 2011-08-15,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 0.7195, 0.7778, 15, 15145
 tuns Tungsten_1933_USC&GS, 2011-08-16,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 0.7195, 0.7778, 15, 0
 tuns Tungsten_1933_USC&GS, 2011-08-17,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 0.7195, 0.7778, 15, 0
 tuns Tungsten_1933_USC&GS, 2011-08-18,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH700936D_M,  CR14330,  NONE, 0.7195, 0.7778, 15, 0