[ARC5] AN/GRC-109 serial number

[Tim]

Hi Bill - That would be a handy "accessory".. Give Fair Radio a call - they
may still have some spare GRC-109 component cases.  I got one awhile back
and build a matching 12 volt - HV power supply in one.  An outboard VFO
would be a natural addition...
Tim
N6CC

On Mon, Jan 21, 2019 at 7:34 PM Fuqua, William <wlfuqu00 at uky.edu> wrote:

>    I had seen your article. I have some HG-10B VFO's.  I was thinking of
> making something in a GRC-109 case to sort of match the rest of the rig.
>
>     73
>
> Bill wa4lav
>
>
> ------------------------------
> *From:* Tim <timsamm at gmail.com>
> *Sent:* Monday, January 21, 2019 5:20 PM
> *To:* Fuqua, William
> *Cc:* ARC5 at mailman.qth.net
> *Subject:* Re: [ARC5] AN/GRC-109 serial number
>
> 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
> <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.n6cc.com%2Fangrc-109-rs-1-transmitter-with-vfo&data=02%7C01%7Cwlfuqu00%40uky.edu%7C495aa2f357de4a979c4108d67feecf26%7C2b30530b69b64457b818481cb53d42ae%7C0%7C0%7C636837060988752148&sdata=ya0Wrw7VxCMkWrrQXcN0DogvtbKm6R64iR5BQxiD3%2BI%3D&reserved=0>
>
> 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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