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         The life and times of Mark and Paula Persons
       Member of the
     Pavek Museum
Gilbert lake Association
Thursday, May 31, 2018:   Mark and Paula traveled to Bletchley Park, about 1-1/2 hours north of London.
This is the place where secret German communications were decoded during World War Two.  
 
It was a country estate for the wealthy, but was turned over to the British government for the project.
 
The original residence has been preserved as a museum,
along with many smaller outbuildings that were used by the code breakers.
 
Many shortwave radio listeners, throughout the country, monitored German Morse Code transmissions. 
They heard and wrote down five letter groups of letters, which make no sense to the listener.
 
The Germans were using Enigma machines to encode and decode secret military messages. 
Germans assumed the coded messages could not be deciphered by the Allies.  They were wrong!
 
Mathematicians and out-of-the-box thinkers, led by Alan Turing, created machines to decode the gibberish.
There are millions of code keys, only one of which would work on a given day to decipher messages.
Some 10,000 people were involved in the project, which was a major contributor to the Allies winning World War Two. 
 
All of the original machines were destroyed after the war.  A local group is recreating them to preserve the history.
 
Just some of the radio receiving equipment run by historians.
 
The nearby British National Museum of Computing showed off the early Colossus Computer using vacuum tubes.
It is this 1950s technology that is billed as the world's first electronic computer. 
 

The Radio Society of Great Britain has an amateur radio station at Bletchley Park. 
Antennas on a roof are a good way to find it.
 
Keith Hotchkiss G0FEA was the operator on duty that day.  He let Mark W0MH operate on 20 meter (14 MHz) sideband. 
Contacts were made to amateur radio stations in Poland, Croatia, and Greece.  Lots of fun.

Quote of the day:    Got the royal treatment at this place.   Mark    < Back to previous story Ahead to next story >

Questions, Comments?  Email Mark Persons  teki@mwpersons.com

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page last edited 06/18/2018