benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 foot Foothill_1989_NCER, 1992-03-03,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6A,  ASH700228D,  1068,  NONE, 1.3881, 1.4356, 30, 64730
 foot Foothill_1989_NCER, 1992-03-04,  GDH ,  USGS ,  ASHTECH,  107 ,  LM-XII3 6A,  ASH700228D,  *031,  NONE, 1.4383, 1.4854, 30, 53530
 foot Foothill_1989_NCER, 1993-01-25,  WKG ,  USGS ,  ASHTECH,  1104 ,  LM-XII3 6M24,  ASH700228D,  1068,  NONE, 1.4633, 1.5102, 30, 11120
 foot Foothill_1989_NCER, 1994-05-02,  JLS ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 1.1698, 1.2195, 30, 134430
 foot Foothill_1989_NCER, 1995-07-07,  KWC ,  USGS ,  ASHTECH,  O4582 ,  Z-XII3 1E00,  ASH700228D,  1068,  NONE, 1.604, 1.6499, 30, 1630
 foot Foothill_1989_NCER, 1996-06-20,  JMS ,  USGS ,  ASHTECH,  707 ,  Z-XII3 1F00,  ASH700718B,  11404,  NONE, 1.4638, 1.5107, 30, 153730
 foot Foothill_1989_NCER, 1997-07-31,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.5415, 1.5878, 30, 16270
 foot Foothill_1989_NCER, 1997-10-07,  JMS ,  USGS ,  ASHTECH,  O4579 ,  Z-XII3 1E95,  ASH700936D_M,  CR14341,  NONE, 1.468, 1.5148, 30, 15580
 foot Foothill_1989_NCER, 1999-01-27,  JMS ,  USGS ,  ASHTECH,  LP03362 ,  Z-XII3 CB00,  ASH700936D_M,  CR14329,  NONE, 1.2358, 1.2848, 30, 1720
 foot Foothill_1989_NCER, 1999-01-28,  CHS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 CB00,  ASH700936D_M,  CR14333,  NONE, 1.4831, 1.5298, 30, 162930
 foot Foothill_1989_NCER, 2001-02-14,  JMS ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14329,  NONE, 1.4327, 1.4798, 30, 171830
 foot Foothill_1989_NCER, 2001-02-15,  CHS ,   ,  ASHTECH,  4600 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.3812, 1.4288, 30, 16270
 foot Foothill_1989_NCER, 2005-02-09,  CHS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE21,  ASH701945E_M,  CR620022601,  NONE, 1.4267, 1.4739, 30, 164130
 foot Foothill_1989_NCER, 2005-02-10,  CHS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022601,  NONE, 1.3935, 1.441, 30, 16530
 foot Foothill_1989_NCER, 2012-03-06,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.5376, 1.5839, 15, 163715
 foot Foothill_1989_NCER, 2012-03-14,  JMS ,  USGS ,  ASHTECH,  ZE1200526028 ,  Z-X ZE210,  ASH701945B_M,  CR519993703,  NONE, 1.5134, 1.5599, 15, 16280