benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 camm Cam_1982_NCER, 1996-09-09,  JMS ,  USGS ,  ASHTECH,  4600 ,  Z-XII3 1F00,  ASH700228D,  1036,  NONE, 1.2946, 1.343, 30, 30