benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 cas2 Castro_2_1948_EBMUD, 1992-02-19,  KWC ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 5F,  ASH700228A,  0616,  NONE, 1.2624, 1.3111, 30, 6480
 cas2 Castro_2_1948_EBMUD, 1993-01-19,  KWC ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6M24,  ASH700228A,  0718,  NONE, 1.0912, 1.142, 30, 113030
 cas2 Castro_2_1948_EBMUD, 1993-01-20,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.1647, 1.2145, 30, 104930
 cas2, 1994-04-26,  WKG ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.4554, 1.5023, 30, 13430
 cas2 Castro_2_1948_EBMUD, 1995-06-27,  GDH ,  USGS ,  ASHTECH,  830 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.2272, 1.2763, 30, 1630
 cas2 Castro_2_1948_EBMUD, 1996-06-06,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.1739, 1.2236, 30, 15590
 cas2 Castro_2_1948_EBMUD, 1996-06-26,  KAS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1F00,  ASH700228A,  0598,  NONE, 1.2895, 1.3379, 30, 154130
 cas2 Castro_2_1948_EBMUD, 1997-12-10,  CHS ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.2348, 1.2838, 30, 16340
 cas2 Castro_2_1948_EBMUD, 1997-12-15,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.251, 1.2998, 30, 17190
 cas2 Castro_2_1948_EBMUD, 1999-01-13,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.1893, 1.2388, 30, 17310
 cas2 Castro_2_1948_EBMUD, 1999-01-14,  GDH ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.1862, 1.2357, 30, 300
 cas2 Castro_2_1948_EBMUD, 2001-01-31,  GDH ,   ,  ASHTECH,  lp019992805 ,  Z-XII3 CD00,  ASH700936D_M,  CR14341,  NONE, 1.1589, 1.2088, 30, 17430
 cas2 Castro_2_1948_EBMUD, 2001-02-01,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2297, 1.2787, 30, 161130
 cas2 Castro_2_1948_EBMUD, 2004-03-30,  GDH ,  USGS ,  ASHTECH,  ZE1200331006 ,  Z-X ZE00,  ASH701945B_M,  CR519993702,  NONE, 1.2127, 1.2619, 30, 17330
 cas2 Castro_2_1948_EBMUD, 2004-03-31,  CHS ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022605,  NONE, 1.2036, 1.2529, 30, 16220