benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 sspg, 2001-09-10,  CHS ,   ,  ASHTECH,  lp020000801 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993702,  NONE, 1.2863, 1.3348, 30, 16030
 sspg, 2001-09-16,  APS ,   ,  ASHTECH,  04597 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993706,  NONE, 1.1943, 1.2437, 30, 15480