[MRCG] SCR-515/ABA IFF Code Wheels

[Bart Lee]

Code Wheels


Speaking of Hen's Teeth, the Flea market of the California Historical Radio
Society bestowed upon me a: Radiac Meter IM=108 PD (Army, *circa* 1957)
which turns out to be a 3 MHz crystal controlled transmitter with an 807
output tube ~~ and it is keyed by a code wheel.  How it works and what is
does is a long story I'm happy to tell anyone who is interested (
KV6LEE at gmail.com).  But we're looking for code wheels, maybe even the same
type. (Did they have to re-invent the wheel?  Probably.) It has great
potential as beacon transmitter for at least 80 meters for our station W6CF.


Some have suggested we look to 3-D printing to make one or more up.  This
is a viable alternative.  The nearest MakerSpace can help.


73 de Bart K6VK ##

-- --
Bart Lee,
Attorney at Law
Office Phone 415 956 5959 x203
Office Fax Line 415 362 1431
Cell Phone 415 902 7168
Snail Mail: 388 Market St #900
San Francisco, CA 94111-5311
www.bartlee.com
<http://www.LawForHams.com>


On Sat, Jan 30, 2016 at 1:17 PM, Mark J. Blair <nf6x at nf6x.net> wrote:

> I've been contacted by a 96 year old collector named Harold Meltzer who is
> looking for a single code wheel for the SCR-515/ABA IFF set to complete a
> display he's working on. Interestingly, he was actually involved in the
> development at GE-Bridgeport in 1941!
>
> I no longer have any SCR-515 gear in my collection.
>
> If anybody has one of these hen's-teeth for Harold, I can pass a message
> along to him or you can email him directly:
>
> harolddeador at comcast.net
>
> --
> Mark J. Blair, NF6X <nf6x at nf6x.net>
> http://www.nf6x.net/
>
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