REPORTING POINT - MEDWAY APPROACH CHANNEL

Outward bound vessels should report to London VTS on the appropriate 
frequency when they reach position 51°27'.8N 0°47'.2E, but then continue 
to monitor the appropriate Medway frequency until they reach the Medway 
buoy at position 51°28'.8N 0°52'.8E. For further details, see Admiralty 
List of Radio Signals.