[GreenKeys] Fwd: Re: Interesting images and reading!

Sat Jan 7 22:31:55 EST 2012

Some correction here....I guess it was called a KL-7 - not 47. It did 
not punch the tape but printed on it. But I still seem to remember it 
punching tape so you could xmit it and for some reason I recall a tape 
reader also. It would read the tape and print out the results.
It was "fun" copying those code groups over CW!

Bill

On 1/7/2012 6:54 PM, Bill wrote:
> In the Navy, we used a KLB-47 crypto machine to produce this code and 
> to decypher them. It used rotating drums that were set up with the 
> code for the message. Can't remember if it was using the 
> date-time-group or the first line of the message or both. (been a 
> looooong time!) I remember that it took some time to type in the 5 
> letter code groups...you had to be real accurate...the 47 would then 
> punch a tape and you would have to run it off on an ASR to get a copy. 
> Then you had to type it onto a message form for distro. What a pain! 
> If you typed the groups in wrong...guess what?...had to type them in 
> again. Sometimes it was very easy to get lost as to where you were in 
> the message. One knock on the crypto room door and you almost always 
> had to start over. What a blessing when we switched over to covered 
> broadcast. No more 47's.
>
> Bill Cain
>
> On 1/7/2012 6:26 PM, DR HOUSE wrote:
>> Hi Bob,
>>
>> Five letter code groups were used by just about everyone.  One reason 
>> was they got the maximum amount of information across public 
>> telegraph networks at the lowest possible cost.  The second reason 
>> was that the code groups were meaningless unless you had a current 
>> decode table.
>> Industry used this as well as the military.  One of the most 
>> successful espionage efforts in history was the long standing VENONA 
>> operation the Soviet Union used from the 30s to the 70s for their 
>> spies to send secret messages to Moscow.  A British intelligence 
>> officer and an American mathematician who could think in Russian 
>> figured it out or they might still be using it today.  If you get a 
>> chance to see SECRETS, LIES, AND ATOMIC SPIES on PBS NOVA watch it. 
>>  Our museum helped produce the segment.  If you watch closely you can 
>> see my fingers on a M14 strip printer and our executive director's 
>> stomach next to an IBM card sorter.  I have a first generation VHS 
>> tape sent to me by the director that I need to convert to DVD before 
>> the tape turns to noise.  There is also a good book The VENONA PAPERS 
>> published by REGNERY
>>
>> Best,
>> Don
>> aka TTY MAN
>>
>>
>> On 7 Jan 2012, at 7:32 PM, Robert Laag wrote:
>>
>> THIS BRINGS UP A SUBJECT FROM THE PAST...YEARS AGO THERE WERE MANY 
>> STRONG STATION HEAR HERE ON THE SHORT WAVE FREQS THAT SEEMED TO BE 
>> MESSAGE STATIONS...  THEY WOULD TRANSMIT A HEADER IN PLAIN TEXT AND 
>> FOR THE MESSAGE CONTENTS IT WOULD BE 5 OR 6 NUMBER UPPER CASE GROUPS 
>> SEPARATED BY SPACES FOR THE DURATION OF THE MESSAGE...  LIKE, 65834 
>> 48390 66173 19785  AND SO ON...  ANYWAY, THEN HOW DID THE MESSAGE GET 
>> UNSCRAMBLED I WONDER???   BOB
>>
>> --- On *Sat, 1/7/12, DR HOUSE /<k9tty at dls.net 
>> <mailto:k9tty at dls.net>>/* wrote:
>>
>>
>>     From: DR HOUSE <k9tty at dls.net <mailto:k9tty at dls.net>>
>>     Subject: [GreenKeys] Fwd: Re: Interesting images and reading!
>>     To: greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>
>>     Date: Saturday, January 7, 2012, 4:37 PM
>>
>>     My thanks to Christian for this information...
>>
>>     Begin forwarded message:
>>
>>     From: Christian Gauger-Cosgrove <captainkirk359 at gmail.com
>>     </mc/compose?to=captainkirk359 at gmail.com>>
>>     Date: 7 January 2012 5:59:47 PM CST
>>     To: DR HOUSE <k9tty at dls.net </mc/compose?to=k9tty at dls.net>>
>>     Subject: Re: [GreenKeys] Interesting images and reading!
>>
>>     Jerry Proc's site is quite the interesting read, I've browsed it many
>>     a time. It's a great reference for various crypto systems. If any one
>>     else is interested, John Savard has a good set of pages in his
>>     cryptographic compendium on telecipher machines:
>>
>>     http://www.quadibloc.com/crypto/tele03.htm
>>
>>     On 7 January 2012 17:21, DR HOUSE <k9tty at dls.net
>>     </mc/compose?to=k9tty at dls.net>> wrote:
>>     >
>>     > <http://jproc.ca/crypto/rockex.html>
>>     > ______________________________________________________________
>>
>>     ______________________________________________________________
>>     GreenKeys mailing list
>>     Home: http://mailman.qth.net/mailman/listinfo/greenkeys
>>     Help: http://mailman.qth.net/mmfaq.htm
>>     Post: mailto:GreenKeys at mailman.qth.net
>>     </mc/compose?to=GreenKeys at mailman.qth.net>
>>
>>     This list hosted by: http://www.qsl.net
>>     Please help support this email list: http://www.qsl.net/donate.html
>>
>>
>>
>>
>> ______________________________________________________________
>> GreenKeys mailing list
>> Home:http://mailman.qth.net/mailman/listinfo/greenkeys
>> Help:http://mailman.qth.net/mmfaq.htm
>> Post:mailto:GreenKeys at mailman.qth.net
>>
>> This list hosted by:http://www.qsl.net
>> Please help support this email list:http://www.qsl.net/donate.html
>
>
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.qth.net/pipermail/greenkeys/attachments/20120107/e550dc05/attachment-0001.html 