benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 26jc 26JCM_1982_USGS, 2006-07-15,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993702,  NONE, 1.2197, 1.2688, 30, 153330
 26jc 26JCM_1982_USGS, 2006-07-16,  JMS ,  USGS ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH701945B_M,  CR519993702,  NONE, 1.2096, 1.2589, 30, 155330