[GreenKeys] [OT] ATKO Code Practice Machine Tapes

John John at tubetestingpros.com
Tue May 26 11:33:29 EDT 2020


Greetings Greenkeyers!

Apologies for the sort-of off-topicness -

I have found a box of 17 ATKO code practice machine tapes - I'm not a 
Code Machine collector (or much of a code sender for that matter) so I 
thought perhaps someone here might be interested, or know of someone who 
would be.

For info, the ATKO machine (which a bit of research reveals the FCC 
employed for Ham license testing) uses paper tape about 1/2", sprocketed 
in the center, with holes punched above and below the sprocket line. The 
top holes turned the tone 'on' and the bottom holes turned it back 
'off', with the interval making dits and dahs.  Kinda clever...

The machines were all solid-state, and had several different diameter 
sprocketed capstans to accomplish sending speed changes.

To clarify, I don't have the machine, just the tapes, found at a big 
garage sale along with many boxes of technical books which was my main 
interest there.


If any interest, when responding copy me off-list por favor, as I am 
having a bit of trouble receiving some GK posts lately.


Cheers

John KB6SCO

Carson City


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