benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 t3r2 Tam_3_Rm_2_CDMG, 1992-03-11,  CHS ,  USGS ,  ASHTECH,  764 ,  LM-XII3 6A,  ASH700228A,  0598,  NONE, 1.374, 1.4216, 30, 31430
 t3r2 Tam_3_Rm_2_CDMG, 1992-03-12,  CHS ,  USGS ,  ASHTECH,  764 ,  LM-XII3 6A,  ASH700228A,  0598,  NONE, 1.3418, 1.3897, 30, 3140
 t3r2 Tam_3_Rm_2_CDMG, 1993-02-09,  CHS ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 6M24,  ASH700228A,  1027,  NONE, 1.3277, 1.3757, 30, 92430
 t3r2 Tam_3_Rm_2_CDMG, 1993-02-10,  CHS ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 6M24,  ASH700228A,  1027,  NONE, 1.3669, 1.4146, 30, 92230
 t3r2 Tam_3_Rm_2_CDMG, 1994-02-28,  CHS ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 1.3046, 1.3529, 30, 1690
 t3r2 Tam_3_Rm_2_CDMG, 1994-03-01,  CHS ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 1.3197, 1.3678, 30, 15550
 t3r2 Tam_3_Rm_2_CDMG, 1996-01-17,  CHS ,  USGS ,  ASHTECH,  143 ,  Z-XII3 1F00,  ASH700718B,  11401,  NONE, 1.2945, 1.3429, 30, 164230
 t3r2 Tam_3_Rm_2_CDMG, 1997-02-05,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700228D,  1036,  NONE, 1.3991, 1.4465, 30, 163230
 t3r2 Tam_3_Rm_2_CDMG, 1997-02-06,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700228A,  1026,  NONE, 1.3619, 1.4096, 30, 163730
 t3r2 Tam_3_Rm_2_CDMG, 1998-03-03,  JMS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.4186, 1.4658, 30, 165730
 t3r2 Tam_3_Rm_2_CDMG, 1998-03-04,  JMS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14333,  NONE, 1.4186, 1.4658, 30, 10
 t3r2 Tam_3_Rm_2_CDMG, 2001-01-22,  CHS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.357, 1.4048, 30, 154230
 t3r2 Tam_3_Rm_2_CDMG, 2001-01-23,  CHS ,   ,  ASHTECH,  lp019992804 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.357, 1.4048, 30, 10
 t3r2 Tam_3_Rm_2_CDMG, 2003-01-14,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.3269, 1.3749, 30, 10
 t3r2 Tam_3_Rm_2_CDMG, 2003-01-15,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.3269, 1.3749, 30, 10
 t3r2 Tam_3_Rm_2_CDMG, 2003-01-16,  CHS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH700936D_M,  CR14333,  NONE, 1.3269, 1.3749, 30, 10
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-24,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-25,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-26,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-27,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-28,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-29,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-30,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-01-31,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-02-01,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-02-02,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-02-03,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0
 t3r2 Tam_3_Rm_2_CDMG, 2006-02-04,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022605,  NONE, 1.2743, 1.3229, 30, 0