benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 plum Plummer_TOO_1988_DOA, 2004-07-19,  JLS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14329,  NONE, 1.3369, 1.3849, 30, 17130
 plum Plummer_TOO_1988_DOA, 2004-07-20,  JLS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14329,  NONE, 1.3369, 1.3849, 30, 0
 plum Plummer_TOO_1988_DOA, 2004-07-21,  JLS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14329,  NONE, 1.3369, 1.3849, 30, 0
 plum Plummer_TOO_1988_DOA, 2004-07-22,  JLS ,  USGS ,  ASHTECH,  ZE120023202 ,  Z-X ZE00,  ASH700936D_M,  CR14329,  NONE, 1.3369, 1.3849, 30, 0