benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 sist Sisters_1989_GPS_Ore, 1999-02-20,  GDH ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CB00,  ASH700936E_C,  CR16980,  NONE, 1.1994, 1.2488, 30, 16580
 sist Sisters_1989_GPS_Ore, 1999-02-21,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14341,  NONE, 1.3853, 1.4328, 30, 16260
 sist Sisters_1989_GPS_Ore, 1999-09-13,  CHS ,   ,  ASHTECH,  O4579 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.356, 1.4038, 30, 15360
 sist Sisters_1989_GPS_Ore, 1999-09-23,  CHS ,   ,  ASHTECH,  O4579 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4145, 1.4618, 30, 15340
 sist Sisters_1989_GPS_Ore, 2001-08-20,  CWW ,  USGS ,  ASHTECH,  O4597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.2813, 1.3298, 30, 15630
 sist Sisters_1989_GPS_Ore, 2003-07-25,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH701945E_M,  CR620022605,  NONE, 0.3895, 0.4648, 30, 152130
 sist Sisters_1989_GPS_Ore, 2003-07-26,  JLS ,  USGS ,  ASHTECH,  ZE120023204 ,  Z-X ZC00,  ASH701945E_M,  CR620022605,  NONE, 0.3895, 0.4648, 30, 0
 sist Sisters_1989_GPS_Ore, 2008-10-10,  EYI ,  USGS/Cascades Volcan,  TRIMBLE,  0220292018 ,  5700 NP,  TRM41249.00,  12354066,  NONE, 1.2955, 1.3506, 15, 0