benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 d100, 1996-09-24,  GDH ,  USGS ,  ASHTECH Z-XII3,  143,  1F00,  ASH700718B,  11401,  NONE, 1.2218, 1.2709, 30, 0
 d100 D100_stmpd_3206S_USG, 1992-10-09,   ,   ,  TURBOROGUE,  136 ,   ,  AOAD/M_T,  136,  NONE, 1.2278, 0, 30, 162930
 d100 D100_stmpd_3206S_USG, 1992-10-10,   ,   ,  TURBOROGUE,  136 ,   ,  AOAD/M_T,  136,  NONE, 1.2278, 0, 30, 0
 d100 D100_stmpd_3206S_USG, 1992-10-12,   ,   ,  TURBOROGUE,  132 ,   ,  AOAD/M_T,  132,  NONE, 1.3117, 0, 30, 164230
 d100 D100_stmpd_3206S_USG, 1992-10-13,   ,   ,  TURBOROGUE,  132 ,   ,  AOAD/M_T,  132,  NONE, 1.3117, 0, 30, 0
 d100 D100_stmpd_3206S_USG, 1992-10-14,   ,   ,  TURBOROGUE,  132 ,   ,  AOAD/M_T,  132,  NONE, 1.3117, 0, 30, 0
 d100, 1996-09-22,  CHS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.3661, 1.4138, 30, 153630
 d100, 1996-09-23,  GDH ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.2218, 1.2709, 30, 15230
 d100, 1998-09-19,  GDH ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14330,  NONE, 1.2388, 1.2877, 30, 14190
 d100, 1998-09-20,  GDH ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936D_M,  CR14330,  NONE, 1.2388, 1.2877, 30, 10
 d100, 1998-09-21,  GWB ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936E_C,  CR16365,  NONE, 1.3348, 1.3828, 30, 14410
 d100, 1998-09-22,  GWB ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936E_C,  CR16365,  NONE, 1.3348, 1.3828, 30, 10
 d100 D100_stmpd_3206S_USG, 2000-11-16,  JMS ,   ,  ASHTECH,  O4579 ,  Z-XII3 CC00,  ASH701945B_M,  CR619992801,  NONE, 1.4639, 1.5108, 30, 30
 d100 D100_stmpd_3206S_USG, 2002-06-04,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.161, 1.2109, 30, 14270
 d100 D100_stmpd_3206S_USG, 2002-06-05,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.161, 1.2109, 30, 10
 d100 D100_stmpd_3206S_USG, 2002-06-06,  GDH ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.161, 1.2109, 30, 10
 d100 D100_stmpd_3206S_USG, 2004-09-18,  CHS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE00,  ASH701945E_M,  CR620022601,  NONE, 1.344, 1.3919, 30, 15190
 d100 D100_stmpd_3206S_USG, 2004-09-22,  WRT ,  USGS ,  ASHTECH,  04597 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.5003, 1.5469, 30, 30
 d100 D100_stmpd_3206S_USG, 2009-09-12,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 0.7412, 0.7989, 30, 185830
 d100 D100_stmpd_3206S_USG, 2009-09-13,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 0.7412, 0.7989, 30, 0
 d100 D100_stmpd_3206S_USG, 2009-09-14,  JMS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZE210,  ASH701945B_M,  CR619992805,  NONE, 0.7412, 0.7989, 30, 0