The plant driver, of Sandown Court, Bletchley, Buckinghamshire, admitted bigamy at an earlier hearing.
The secrecy of the war was central to Bletchley's success but also undermined its legacy.
Prosecutor Alan Blake said Mr Ahmed was convicted of the Bletchley offence in 2011.
The new Bedfordshire, Hertfordshire and Buckinghamshire service was switched on at 08:46 GMT at Bletchley Park.
"They are our artefacts, " says Iain Standen, the CEO of Bletchley, who showed me around.
BBC: Bletchley Park enigma code huts prepare for restoration
At Bletchley Park, the original Colossus cracked messages sent by Hitler's generals during World War II.
BBC: Tony Sale: Computer restoration memorial prize launched
Players can move their pieces from his birthplace in Maida Vale to Hut 8 at Bletchley Park.
The rebuild of Edsac will be done in public at the National Museum of Computing at Bletchley Park.
BBC: Work begins on hardware to aid Edsac replica recreation
Funds raised by the sale of the game at Bletchley Park will aid the heritage site's reconstruction project.
In the second world war he worked at Bletchley, a country house where clever people broke enemy codes.
There is in this three-part drama only the briefest glimpse of the characters performing their war work at Bletchley.
One of the first huts to house the Enigma code breaking device at Bletchley Park is to be restored.
Search giant Google has bought 1, 000 of the sets and donated them to Bletchley Park to help raise funds.
The court had also heard that Mr Ahmed, of Chestnut Crescent, Bletchley, Buckinghamshire, sold his car on 18 December 2002.
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Shahidul Ahmed, 41, from Bletchley, denies murdering 19-year-old Rachel Manning, who went missing after a night out in December 2000.
Although parts of Bletchley have now been preserved, many of the huts are boarded up, the rooms inside dusty and empty.
Mr Hague also used his visit to announce a boost in funding for the preservation of Bletchley Park, the forerunner to GCHQ.
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The restoration effort was led by conservationist Delwyn Holroyd who said it was "pretty dirty" when the machine first arrived at Bletchley.
Mr Ahmed, from Bletchley, was arrested for an unconnected matter in 2010.
One of the reasons Turing's papers were so valuable is that many of the records of Bletchley were deliberately destroyed after the war.
The hand-drawn version was thought to have been lost but was rediscovered in 2011 and donated to the Bletchley Park museum soon after.
The Government Code and Cipher School in Bletchley, where Alan Turing did pioneering work on early computers, is a popular site of pilgrimage.
The work of others like the engineer Tommy Flowers, who helped build the first programmable computer at Bletchley, named Colossus, was also left unacknowledged.
Shahidul Ahmed, 41, of Bletchley, denied murder at Luton Crown Court.
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Bletchley's role in breaking German codes was kept secret not just during the war but for decades after and only began to emerge in the 1970s.
BBC: Bletchley Park enigma code huts prepare for restoration
He has performed at Bletchley Park and will return there this month to the National Computer Museum to play live with Orchestral Manoeuvres in the Dark.
Tony Sale was the brilliant engineer who rebuilt the Colossus computer, established The National Museum of Computing at Bletchley Park and founded the Computer Conservation Society.
Bletchley Park was the wartime home of the Government Code and Cypher School which broke the codes generated by the German Enigma machine, using the Bombe.
Based at Bletchley Park, the mathematician was part of the team that cracked the Nazi Enigma code - a vital part of the allied war effort.
Capt Roberts, from Liphook, has been working for recognition for Bletchley Park's "4T's" - the Testery as a whole, and three colleagues responsible for major discoveries.
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