[GreenKeys] CRYPTOGRAPHIC REMINDED ME OF THIS

Bob Camp ham at cq.nu
Wed Mar 30 19:05:20 EST 2005


Hi

There were a number of these stations. It's not real clear which sort 
you are asking about.

The early gear used on the voice based stations was the same as what 
WWV and CHU used. More or less it's a big hammond organ. A series of 
magnetized drums or disks that run past tape heads. Not very fancy but 
it works.

	Take Care

		Bob Camp
		KB8TQ



On Mar 29, 2005, at 11:36 PM, BOB LAAG wrote:

> JUST WONDERING IF ANY ONE KNOWS THE NAME OF OR HAS SEEN THE MACHINE 
> USED WITH THE 5 CHAR GROUPS ENCRYPTED MESSAGES THAT  WERE ON THE 
> SHORT-WAVE BANDS YEARS AGO???  WAS IT A MECHANICAL MACHINE OR SOME 
> COMPUTERIZED UNIT???  JUST WONDERING...
>
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