SURVEY SAMPLE LAT LON COLOUR NATQUA NATSUR SORDAT SORIND DESCRP PRMSEC REMRKS BEGIN_OBSTIM ORIG_DATUM DEVICE SOURCE H07646 23859 51.855068 178.066091 Rocky 1-Jan-49 mggal AFSC H07646 23860 51.853402 178.070909 Rocky 1-Jan-49 mggal AFSC