benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 j700 J_700_1943_USC&GS, 1994-03-23,  GDH ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 0.3406, 0.4205, 30, 172830
 j700 J_700_1943_USC&GS, 2002-04-05,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2723, 1.3209, 30, 182330
 j700 J_700_1943_USC&GS, 2002-04-06,  JMS ,  USGS ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.2723, 1.3209, 30, 10
 j700 J_700_1943_USC&GS, 2002-04-07,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 1.1246, 1.1749, 30, 15390
 j700 J_700_1943_USC&GS, 2006-04-22,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.4146, 0.4878, 30, 15470
 j700 J_700_1943_USC&GS, 2006-04-23,  JLS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR619992801,  NONE, 0.4146, 0.4878, 30, 0
 j700 J_700_1943_USC&GS, 2011-07-14,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.6346, 0.6958, 15, 174715
 j700 J_700_1943_USC&GS, 2011-07-15,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.6346, 0.6958, 15, 0
 j700 J_700_1943_USC&GS, 2011-07-16,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.6346, 0.6958, 15, 0
 j700 J_700_1943_USC&GS, 2011-07-17,  CHS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945E_M,  CR620022605,  NONE, 0.6346, 0.6958, 15, 0