benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 benc Bench_1932_USC&GS, 1992-04-12,  CHS ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6A,  ASH700228D,  1068,  NONE, 1.37, 1.4177, 30, 24730
 benc Bench_1932_USC&GS, 1993-05-08,  JMS ,  USGS ,  ASHTECH,  762 ,  LM-XII3 6M24,  ASH700228A,  0745,  NONE, 1.1537, 1.2037, 30, 3030
 benc Bench_1932_USC&GS, 1993-11-18,  GDH ,  USGS ,  ASHTECH,  764 ,  LM-XII3 7A,  ASH700228A,  0598,  NONE, 1.198, 1.2474, 30, 420
 benc Bench_1932_USC&GS, 1997-03-19,  GDH ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700228A,  0598,  NONE, 1.2483, 1.2971, 30, 130
 benc Bench_1932_USC&GS, 1997-03-20,  GDH ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700228A,  0598,  NONE, 1.2463, 1.2952, 30, 30
 benc Bench_1932_USC&GS, 2001-05-17,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992805,  NONE, 0.424, 0.4964, 30, 16550
 benc Bench_1932_USC&GS, 2001-05-18,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH701945.02B,  CR619992805,  NONE, 0.424, 0.4964, 30, 10
 benc Bench_1932_USC&GS, 2003-03-20,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.345, 1.3929, 30, 17120
 benc Bench_1932_USC&GS, 2003-03-21,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.345, 1.3929, 30, 10
 benc Bench_1932_USC&GS, 2003-03-22,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.345, 1.3929, 30, 10
 benc Bench_1932_USC&GS, 2003-03-23,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.345, 1.3929, 30, 10
 benc Bench_1932_USC&GS, 2003-03-24,  JMS ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.345, 1.3929, 30, 10
 benc Bench_1932_USC&GS, 2004-09-30,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1995, 1.2489, 30, 0
 benc Bench_1932_USC&GS, 2004-10-01,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1995, 1.2489, 30, 0
 benc Bench_1932_USC&GS, 2004-10-02,  GDH ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1995, 1.2489, 30, 0
 benc Bench_1932_USC&GS, 2004-10-03,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1995, 1.2489, 30, 0
 benc Bench_1932_USC&GS, 2004-10-07,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1985, 1.2479, 30, 0
 benc Bench_1932_USC&GS, 2004-10-08,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1985, 1.2479, 30, 0
 benc Bench_1932_USC&GS, 2004-10-09,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1985, 1.2479, 30, 0
 benc Bench_1932_USC&GS, 2004-10-10,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.1985, 1.2479, 30, 0
 benc Bench_1932_USC&GS, 2004-10-26,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4406, 0.5118, 30, 0
 benc Bench_1932_USC&GS, 2004-10-27,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4406, 0.5118, 30, 0
 benc Bench_1932_USC&GS, 2004-11-03,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-04,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-05,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-06,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-07,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-08,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-09,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-10,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-11,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-12,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-13,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-14,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-15,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 0.4298, 0.5018, 30, 0
 benc Bench_1932_USC&GS, 2004-11-16,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 140
 benc Bench_1932_USC&GS, 2004-11-17,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-18,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-19,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-20,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-21,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-22,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-23,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-24,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-25,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-26,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-27,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-28,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-29,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2004-11-30,  CHS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH701945E_M,  CR520031615,  NONE, 1.2662, 1.3149, 30, 0
 benc Bench_1932_USC&GS, 2005-04-19,  JMS ,  USGS ,  ASHTECH,  ZE1200411017 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.3198, 1.3679, 30, 16250
 benc Bench_1932_USC&GS, 2005-04-20,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.3198, 1.3679, 30, 0
 benc Bench_1932_USC&GS, 2005-04-21,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 1.3198, 1.3679, 30, 0
 benc Bench_1932_USC&GS, 2006-06-06,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 0.3675, 0.4448, 30, 165730
 benc Bench_1932_USC&GS, 2006-06-07,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 0.3675, 0.4448, 30, 0
 benc Bench_1932_USC&GS, 2006-06-08,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 0.3675, 0.4448, 30, 0
 benc Bench_1932_USC&GS, 2006-06-09,  GDH ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993702,  NONE, 0.3675, 0.4448, 30, 0
 benc Bench_1932_USC&GS, 2008-05-14,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.737, 0.7948, 30, 16420
 benc Bench_1932_USC&GS, 2008-05-15,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.737, 0.7948, 30, 0
 benc Bench_1932_USC&GS, 2008-05-16,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.737, 0.7948, 30, 0
 benc Bench_1932_USC&GS, 2008-05-17,  JMS ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE21,  ASH700936D_M,  CR14330,  NONE, 0.737, 0.7948, 30, 0