benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 brwn Brown_5131_VA1913_USG, 1994-03-20,  WKG ,  USGS ,  ASHTECH LM-XII3,  104,  7A,  ASH700228D,  1068,  NONE, 0.5599, 0.6243, 30, 213130