Usual self appointed experts talking !!!! again.
DACS or Danger Area Crossing Service. This is provided on the South Coast by Plymouth Military Radar during its’ hours of operation (Mon-Thurs 0800-1700 Fri 0800-1400) on frequency 124.15 East of Berry Head and 121.25 to the west of Berry Head. This service can give you up to date information on the status of the areas and advise you on the best possible route, avoiding any hazardous activity along with providing an ATC service. Outside the above hours of operation, the DACS is handed to the military at the London ACC, Swanwick and can be accessed through London FIR on 124.75 or Swanwick Military on 135.15. Note. Even though Plymouth Military may be closed, the Danger Areas remain active in accordance with the times published in the UKAIP and any NOTAMs.
DAAIS or Danger Area Activity Information Service. Information on planned activity can be obtained 24 hours a day from FOST Operations on 01752 557550.