benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 hiwa Hiway_1930_USC&GS, 1994-06-01,  JMS ,  USGS ,  ASHTECH,  762 ,  LM-XII3 7A,  ASH700228A,  0745,  NONE, 1.1326, 1.1828, 30, 14240
 hiwa Hiway_1930_USC&GS, 1995-09-13,  CHS ,  USGS ,  ASHTECH,  *LP00108 ,  LM-XII3 7A,  ASH700228A,  1026,  NONE, 1.189, 1.2385, 30, 17510
 hiwa Hiway_1930_USC&GS, 1996-10-24,  CHS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.2329, 1.2819, 30, 154930
 hiwa Hiway_1930_USC&GS, 1997-09-16,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.256, 1.3047, 30, 15470
 hiwa Hiway_1930_USC&GS, 1997-09-17,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.256, 1.3047, 30, 10
 hiwa Hiway_1930_USC&GS, 1998-12-15,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1609, 1.2107, 30, 19380
 hiwa Hiway_1930_USC&GS, 1998-12-16,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1609, 1.2107, 30, 10
 hiwa Hiway_1930_USC&GS, 1998-12-17,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14244,  NONE, 1.1609, 1.2107, 30, 10
 hiwa Hiway_1930_USC&GS, 2000-04-15,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.2105, 1.2598, 30, 17440
 hiwa Hiway_1930_USC&GS, 2000-04-16,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.2105, 1.2598, 30, 30
 hiwa Hiway_1930_USC&GS, 2000-04-17,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.2105, 1.2598, 30, 30
 hiwa Hiway_1930_USC&GS, 2001-11-07,  JMS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 0.3561, 0.4345, 30, 18190
 hiwa Hiway_1930_USC&GS, 2001-11-08,  JMS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 0.3561, 0.4345, 30, 10
 hiwa Hiway_1930_USC&GS, 2001-11-09,  JMS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH700936D_M,  CR14330,  NONE, 0.3561, 0.4345, 30, 10