benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 shos Shoshone_1933_USCGS, 1993-05-01,  GDH ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 6M24,  ASH700228A,  1027,  NONE, 1.1013, 1.1519, 30, 2130
 shos Shoshone_1933_USCGS, 1993-05-02,  GDH ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 6M24,  ASH700228A,  1027,  NONE, 1.2171, 1.2663, 30, 0
 shos, 1994-11-17,  JMS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E00,  ASH700228D,  1058,  NONE, 1.1014, 1.152, 30, 235959.995
 shos Shoshone_1933_USCGS, 1996-02-12,  JMS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.2773, 1.3258, 30, 29.996
 shos Shoshone_1933_USCGS, 1997-10-30,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.2853, 1.3337, 30, 10
 shos Shoshone_1933_USCGS, 1997-10-31,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.2853, 1.3337, 30, 10
 shos Shoshone_1933_USCGS, 1998-06-02,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 2530
 shos Shoshone_1933_USCGS, 1998-06-03,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-04,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-05,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-06,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-07,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-08,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1998-06-09,  JMS ,  USGS ,  ASHTECH,  664 ,  Z-XII3 1E95,  ASH700936D_M,  *074,  NONE, 1.1903, 1.2398, 30, 30
 shos Shoshone_1933_USCGS, 1999-04-21,  CHS ,  USGS ,  ASHTECH,  LP03464 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.2772, 1.3257, 30, 175930
 shos Shoshone_1933_USCGS, 1999-04-22,  CHS ,  USGS ,  ASHTECH,  LP03464 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.2772, 1.3257, 30, 10
 shos Shoshone_1933_USCGS, 2003-06-10,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2966, 1.3449, 30, 30
 shos Shoshone_1933_USCGS, 2003-06-11,  JMS ,  USGS ,  ASHTECH,  LP00108.707 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2966, 1.3449, 30, 30