Need Manual - CAY-47152A Plug-in Tuning Unit, Range D,A of Model GP-7 Aircraft Radio

Dexter Francis cwest at XMISSION.COM
Sat Jan 8 19:51:00 EST 2000

Just in case anyone is interested - the GP-7 Transmitter unit was used in the
Douglass SBD-3 Dauntless aircraft, in conjunction with the an RU-19 (Receiver)
, LM-7 (Frequency Meter) and a DU-1 (Direction Finder).


    Please visit the Southern Utah Air Museum sites at:  - -
       For B/A Electronics  -

DavidC wrote:

> A friend who is helping me asked me if I could help him to find
> a manual ...
>    "... there is a 'document' I would like to find.  "Type CAY-47152A,
>     Plug-in Tuning Unit, Range D, A unit of Model GP-7 Aircraft Radio
>     Equipment" made by Westinghouse.  This would make a very good homebrew
>     something.  Master Oscillator tuning, MO steps, Antennae Tuning, Steps,
>     Antennae Range, PA Tuning, PA Steps.  But a major coil is missing and
>     very hard to replace it without the circuitry.
> Can anyone help us, please?  A scanned schematic and/or manual E-mailed
> as an attachment is fine.  A reasonably priced clean copy is fine as well.
> - Thanks! & 73, DavidC  K1YP
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