benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 bend Bend_Survey_Point_19, 1992-03-03,  KWC ,  USGS ,  ASHTECH,  0831 ,  LM-XII3 5F,  ASH700228A,  0616,  NONE, 1.5578, 1.604, 30, 61930
 bend Bend_Survey_Point_19, 1992-03-04,  GDH ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6b,  ASH700228A,  1026,  NONE, 1.3368, 1.3848, 30, 62730
 bend Bend_Survey_Point_19, 1992-03-05,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6A,  ASH700228D,  1068,  NONE, 1.4232, 1.4704, 30, 6470
 bend Bend_Survey_Point_19, 1992-03-06,  JLS ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6A,  ASH700228D,  1068,  NONE, 1.1819, 1.2315, 30, 6190
 bend Bend_Survey_Point_19, 1993-01-25,  KWC ,  USGS ,  ASHTECH,  763 ,  LM-XII3 6M24,  ASH700228A,  0718,  NONE, 1.4322, 1.4793, 30, 11240
 bend Bend_Survey_Point_19, 1993-01-26,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.6501, 1.6957, 30, 11300
 bend Bend_Survey_Point_19, 1993-01-27,  JMS ,  USGS ,  ASHTECH,  099 ,  LM-XII3 6M24,  ASH700228D,  1036,  NONE, 1.6992, 1.7445, 30, 105430
 bend Bend_Survey_Point_19, 1993-01-28,  GDH ,  USGS ,  ASHTECH,  107 ,  LM-XII3 6M24,  ASH700228D,  *031,  NONE, 1.5115, 1.558, 30, 111930
 bend Bend_Survey_Point_19, 1993-03-17,  CHS ,  USGS ,  ASHTECH,  762 ,  LM-XII3 6M24,  ASH700228A,  0745,  NONE, 1.4523, 1.4992, 30, 72330
 bend Bend_Survey_Point_19, 1994-04-28,  WKG ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.7224, 1.7675, 30, 13450
 bend Bend_Survey_Point_19, 1994-05-02,  CHS ,  USGS ,  ASHTECH,  99 ,  LM-XII3 7A,  ASH700228D,  1036,  NONE, 1.4704, 1.5172, 30, 13440
 bend Bend_Survey_Point_19, 1994-05-03,  JLS ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.191, 1.2405, 30, 133830
 bend Bend_Survey_Point_19, 1994-05-04,  GDH ,  USGS ,  ASHTECH,  763 ,  LM-XII3 7A,  ASH700228A,  0718,  NONE, 1.3469, 1.3948, 30, 13490
 bend Bend_Survey_Point_19, 1995-07-06,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.5769, 1.6229, 30, 15500
 bend Bend_Survey_Point_19, 1995-07-07,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.5106, 1.5571, 30, 15480
 bend Bend_Survey_Point_19, 1995-07-10,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E00,  ASH700228A,  0745,  NONE, 1.5196, 1.566, 30, 1680
 bend Bend_Survey_Point_19, 1995-07-11,  CHS ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 1E00,  ASH700228A,  0598,  NONE, 1.4584, 1.5053, 30, 15550
 bend Bend_Survey_Point_19, 1995-07-12,  KWC ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E00,  ASH700228D,  1068,  NONE, 1.5096, 1.5561, 30, 1690
 bend Bend_Survey_Point_19, 1995-07-13,  KWC ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E00,  ASH700228D,  1068,  NONE, 1.4684, 1.5152, 30, 16320
 bend Bend_Survey_Point_19, 1996-06-24,  CHS ,  USGS ,  ASHTECH,  *LP00141 ,  Z-XII3 1F00,  ASH700718B,  11416,  NONE, 1.4145, 1.4618, 30, 154830
 bend Bend_Survey_Point_19, 1997-07-31,  GDH ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.4317, 1.4788, 30, 15420
 bend Bend_Survey_Point_19, 1997-10-07,  CHS ,  USGS ,  ASHTECH,  O4591 ,  Z-XII3 1E95,  ASH700936D_M,  CR14329,  NONE, 1.5063, 1.5529, 30, 16530