1st January 1966

The ‘merger’ arrangement with Radio Caroline South (Project Atlanta) ceased - Radio City took back responsibility for the sale of its own airtime and payment of its operating costs

** April 1966

Negotiations opened with Radio London about a proposed a take over of Radio City to re-launch it as an easy listening service using the call sign UKGM - United Kingdom Good Music

** May 1966

A deal was struck - Radio London would manage the UKGM operation for Reg Calvert and take 55% of its advertising revenue, while the Radio City would retain ownership of the station and all its equipment. Both stations to also have a joint servicing and tendering arrangement as well as a combined advertising sales company.

** June 1966

Radio London staff go to Shivering Sands Fort to assess the condition of Radio City's transmitter and studio equipment

16th June 1966

First newspaper reports of the plans to launch UKGM

20th June 1966

A boarding party, organised by Oliver Smedley of Project Atlanta, takes over Shivering Sands Fort and prevents Radio City coming on air

21st June 1966

Reg Calvert reported the raid to police, but they were uncertain whether or not they could take any action because it was thought that Shivering Sands was outside British territorial limits. Later that same evening Reg Calvert drove to Major Oliver Smedley's house and during a struggle in the hallway Smedley shot Calvert dead.

22nd June 1966

Oliver Smedley appeared before a special court in Saffron Walden and is remanded in custody for a further eight days.

23rd June 1966

Reg Calvert's widow Dorothy said she hoped to have Radio City back on the air in two or three days’ time and that the negotiations to sell Radio City were now in abeyance.

26th June 1966

Without warning the boarding party left Shivering Sands Fort. Using a spare transmitter crystal which had been hidden from the boarders, Radio City started test transmissions again at 9.30pm that evening and by 10.00pm the station was back on the air.

1st July 1966

The British Postmaster General announced that in the light of events at Radio City legislation to outlaw offshore radio stations would now be introduced before the summer recess.

18th July 1966

Major Oliver Smedley appeared in Court again, he was sent for trial at Chelmsford Assizes in October, but on a charge of manslaughter rather than murder. Smedley was granted bail.

27th July 1966

The Bill to outlaw offshore broadcasting stations - the Marine etc. Broadcasting (Offences) Bill introduced into the House of Commons and received its formal First Reading.

11th October 1966

At Chelmsford Assizes Court Oliver Smedley's solicitor argued that his client had acted in self defence. The jury returned a 'not guilty' verdict and Oliver Smedley left court a free man.

31st January 1967

A summons was issued against Dorothy Calvert alleging the illegal use of a radio transmitter on Shivering Sands in contravention of the Wireless Telegraphy Act 1949.

8th February 1967

At Rochford Magistrates Court on Mrs. Calvert was found guilty of using a radio transmitter inside British territorial waters without a licence and was fined £100.

After the court's decision Mrs. Calvert reluctantly decided that the station should close without any undue delay and at 12 midnight Radio City left the air for the last time.