benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 whec Whitaker_Ecc_Ca_Div_, 1992-05-27,  WKG ,  USGS ,  ASHTECH,  765 ,  LM-XII3 7A,  ASH700228D,  1058,  NONE, 1.2453, 1.2942, 30, 23830
 whec Whitaker_Ecc_Ca_Div_, 1992-10-20,  JMS ,  USGS ,  ASHTECH,  749 ,  LM-XII3 6M24,  ASH700228A,  0598,  NONE, 1.207, 1.2563, 30, 161730
 whec Whitaker_Ecc_Ca_Div_, 1993-10-10,  JMS ,  USGS ,  ASHTECH,  765 ,  LM-XII3 7A,  ASH700228D,  1058,  NONE, 1.2725, 1.3211, 30, 17490
 whec Whitaker_Ecc_Ca_Div_, 1994-02-01,  KWC ,  USGS ,  ASHTECH,  765 ,  LM-XII3 7A,  ASH700228D,  1058,  NONE, 1.2725, 1.3211, 30, 470
 whec Whitaker_Ecc_Ca_Div_, 1994-05-11,  GDH ,  USGS ,  ASHTECH,  831 ,  LM-XII3 7A,  ASH700228A,  1027,  NONE, 1.194, 1.2435, 30, 143930
 whec Whitaker_Ecc_Ca_Div_, 1995-02-07,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.3137, 1.3619, 30, 163130
 whec Whitaker_Ecc_Ca_Div_, 1995-10-19,  GDH ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.2906, 1.339, 30, 155430
 whec Whitaker_Ecc_Ca_Div_, 1996-04-19,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.2238, 1.2729, 30, 16270
 whec Whitaker_Ecc_Ca_Div_, 1997-02-25,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700228D,  1068,  NONE, 1.2564, 1.3052, 30, 165030
 whec Whitaker_Ecc_Ca_Div_, 1997-02-26,  JMS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700228A,  1026,  NONE, 1.2131, 1.2623, 30, 161330
 whec Whitaker_Ecc_Ca_Div_, 1998-04-25,  GDH ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.1943, 1.2437, 30, 15480
 whec Whitaker_Ecc_Ca_Div_, 1998-04-26,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E95,  ASH700936D_M,  CR14330,  NONE, 1.2216, 1.2707, 30, 153330
 whec Whitaker_Ecc_Ca_Div_, 2000-03-02,  JMS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992801,  NONE, 1.354, 1.4018, 30, 17230
 whec Whitaker_Ecc_Ca_Div_, 2000-03-03,  GDH ,   ,  ASHTECH,  O4582 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993703,  NONE, 1.1366, 1.1868, 30, 16520