ZCZC OA20 NAVAREA I 94/26 GMDSS. SOUTHWEST APPROACHES TO THE UK INCLUDING THE CELTIC SEA BRISTOL CHANNEL AND ENGLISH CHANNEL. 1. NITON NAVTEX STATION (E)(K) 50-35N 001-15W OFF AIR FROM 200001 TO 292359 UTC MAY. 2. BROADCASTS (E) TRANSMITTED FROM PORTPLTRICK 54-51N 005-07W. NNNN