benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 brnd Brandon_1952_USC&GS, 1994-07-14,  JLS ,  USGS ,  ASHTECH,  104 ,  LM-XII3 7A,  ASH700228D,  1068,  NONE, 0.3744, 0.4511, 30, 17160
 brnd Brandon_1952_USC&GS, 2002-05-04,  JLS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1519, 1.2019, 30, 10
 brnd Brandon_1952_USC&GS, 2002-05-05,  JLS ,  USGS ,  ASHTECH,  LP019992803 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993703,  NONE, 1.1519, 1.2019, 30, 10
 brnd Brandon_1952_USC&GS, 2005-05-18,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.4556, 0.5258, 30, 0
 brnd Brandon_1952_USC&GS, 2005-05-19,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.4556, 0.5258, 30, 0
 brnd Brandon_1952_USC&GS, 2005-05-20,  CHS ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE21,  ASH701945E_M,  CR520031626,  NONE, 0.4556, 0.5258, 30, 0