ZCZC OA31 WZ 345/26 GMDSS. MRCC STORNOWAY. 1. VHF R/T AND DSC SERVICES FROM SCOVAL SITE 57-28.0N 006-42.1W OFF AIR. 2. VHF R/T AND DSC SERVICES UNRELIABLE FROM SITES: A. BUTT OF LEWIS 58-27.7N 00 -13.9W. B. FORSNAVAL 58-12.8N 007-00.4W. 3. CANCEL WZ 344/26 (OA29). NNNN