[ARC5] AN/GRC-109 serial number

[Tim]

Hi Bill - I have had good luck driving the GRC-109 TX with an old Heathkit
HG-10 VFO.  No mods to the transmitter or VFO, the combination produces
full output, no chirp..
Take a look here for details:
http://www.n6cc.com/angrc-109-rs-1-transmitter-with-vfo

Just need to keep the VFO-TX coax wire short to reduce the shunt
capacitance.

Matching serial numbers are always nice - but somewhat rare in my
experience.  These sets saw lots of use over a long time period and "stuff
happens" to mix up components.  Part of the sets "charm" really...

Anyway, give it a try...
73, Tim
N6CC

On Mon, Jan 21, 2019 at 12:39 PM Fuqua, William <wlfuqu00 at uky.edu> wrote:

> Our radio club has an AN/GRC-109 transmitter with a different serial
> number on the transmitter panel than on the cover. I am putting it up for
> sale at some point and wonder if the serial number mismatch affects the
> value. And if so if blank cover plates are available somewhere.
>
>  I noticed that it will produce almost 20 Watts into a dummy load on all
> frequency ranges.
>
> I personally have a set that I am keeping, and wonder if anyone has any
> ideas of a VFO  that could be used with it that is a good match. Have a
> junk TX that I could build a VFO into that would match the set.
>
>  Or I could build one into a one of the high speed keyer boxes. Empty
> boxes are available on the surplus market.
>
> It should probably be a tube VFO however, I could possibly build a solid
> state one.
>
>    Just brainstorming here, any ideas?
>
>
>
> 73
>
> Bill wa4lav
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