[MRCA] AN/GRR-5 receiver usage (was on restoration)

Thu Aug 1 12:38:36 EDT 2024

Hi Jeff:  Photo of the C-1436 control box forwarded from Paul:

On Thu, Aug 1, 2024 at 4:44 AM comcast <kg2bz at comcast.net> wrote:

> folks
>
> does anyone. have a picture of the C-1436?
> thanks Jeff
>
> Sent from my iPhone
>
> On Jul 30, 2024, at 9:32 PM, Tim <timsamm at gmail.com> wrote:
>
> 
> Hi Mike - As Paul DM'd to me:
> "Tim...you are spot on about the AN/GSS-1 using both the GRC-9 & GRR-5. I
> have the Control, Interphone C-1436/GSS-1 that has a 4 position switch for
> both those radios and two Telephone lines as well as a gain ctrl.
> Paul"
>
> Also, I had searched on the AN/GSS-1 system and its later morphs awhile
> back and found some line drawings that included both of those sets.  I
> think I read that the GRC-9 was a backup to the primary wired telephone
> system between different Battery's in the area.  Been awhile, I forget but
> it's online someplace..
> Tim
> N6CC
>
> On Tue, Jul 30, 2024 at 5:34 PM <mstangelo at comcast.net> wrote:
>
>> How was it used with the NIKE missile system? Is there any information
>> available? Volunteers have restored the NY56 missile battery by me and are
>> always looking for information on the various systems.
>>
>> Mike N2MS
>>
>> > On 07/30/2024 7:46 PM EDT Tim <timsamm at gmail.com> wrote:
>> >
>> >
>> > 10-4.. Dusters! the 40 mm Bofors is my personal favorite! LOL
>> > The GRR-5's were also part of the AN/GSS-1 Electronic Search Central
>> used with the HAWK AA system. That system was also used with the NIKE
>> missile systems (that also included GRC-9's)
>> > Tim
>> > N6CC
>> >
>> >
>> > On Tue, Jul 30, 2024 at 4:09 PM <rl.boltz at mhsdesign.com> wrote:
>> > > My unit was anti-aircraft! Had the M-42 anti-aircraft tracked
>> vehicles with 40mm bofers. I was a forward observer. We radioed aircraft
>> contact with direction and altitude back to the guns.
>> > >
>> > > 213th 3rd AW Battalion, SP
>> > >
>> > > Ron Boltz
>> > >
>> > > From:Tim <timsamm at gmail.com>
>> > > Sent: Tuesday, July 30, 2024 6:43 PM
>> > > To: Ron Boltz <rl.boltz at mhsdesign.com>
>> > > Cc: Ray Fantini <RAFANTINI at salisbury.edu>; Oscar Johnson <
>> scottjohnson1 at cox.net>; MilComm Guy <m38inmaine at gmail.com>; MRCA <
>> MRCA at mailman.qth.net>; mrcg-west at groups.io
>> > > Subject: AN/GRR-5 receiver usage (was on restoration)
>> > >
>> > > I've wondered about the employment of this radio as well. Seems it
>> was designed to be a stand-alone radio with its versatile AC/DC power
>> supply to permit wide application. So it was maybe intended to be used for
>> any general purpose, to include monitoring an alert / warning net of some
>> sort - response not required.
>> > > I've always wondered if the specific "Gas Attack" warning description
>> was one of those "Internet Facts" that can't go away. Seems to be a
>> way-to-narrow application. Anyway,
>> > > FWIW, the 1952 Manual, TM11-295 for the AN/GRR-5, states the
>> following although it seems this is just a suggested usage (anti aircraft
>> warning net) and otherwise was non-committal on its intended applications.
>> Digging through the various Army TO&E documents would reveal which types of
>> units should have had them - and therefore their intended use in those
>> units. Dunno
>> > >
>> > > Here integrated with the VHF-FM set in a vehicle per the drawing.
>> > >
>> > >
>> > > Fun musings...
>> > > Tim
>> > > N6CC
>> > >
>> > > On Tue, Jul 30, 2024 at 2:46PM <rl.boltz at mhsdesign.com> wrote:
>> > > > We had them mounted in M-38’s and M38A1’s in the late 1960’s. Only
>> in the officers jeeps so not sure what they used them for. I was in an M-38
>> with the AN/GRC-19 at the time so maybe they monitored us forward observers?
>> > > >
>> > > > Ron Boltz
>> > > >
>> > > > From:mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net>
>> On Behalf OfRay Fantini via MRCA
>> > > > Sent: Tuesday, July 30, 2024 1:53 PM
>> > > > To: scottjohnson1 at cox.net; 'MilComm Guy' <m38inmaine at gmail.com>;
>> MRCA at mailman.qth.net
>> > > > Subject: Re: [MRCA] Angry 5 Revival (change of subject, sort of)
>> > > >
>> > > > I have always referred to them as “Angry Five” don’t know if that’s
>> correct or not. Much controversy around that radio, have been told they
>> were used as “Gas Net warning “ receivers, as “Operational Net warning “ to
>> broadcast they daily bombing targets and as entertainment receivers? Years
>> ago I had one that I built a battery pack for and ran it for a long time
>> just on D cells and a B battery. Its fun also to have a radio who’s multi
>> voltage power supply is just as big as the radio itself! Think that radio
>> would be a good candidate for solid stating the vibrators and trying it
>> that way.
>> > > > Think that it goes back to all those radios of the late forties and
>> early fifties and would look good paired with a GRC-19 (T-195/R-392) set up
>> but unlike all that other way obsolete by the seventies RT-67,68 or RT-70
>> stuff that receiver was still in service and somehow appears in MSC-31/32
>> communications centers as a axillary receiver along with the VRC-12 stuff.
>> > > > It would look real good on the back of a M-38
>> > > >
>> > > > Ray F/KA3EKH
>> > > >
>> > > >
>> > > > From:mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net>
>> On Behalf Ofscottjohnson1 at cox.net
>> > > > Sent: Tuesday, July 30, 2024 1:00 PM
>> > > > To: 'MilComm Guy' <m38inmaine at gmail.com>; MRCA at mailman.qth.net
>> > > > Subject: Re: [MRCA] Angry 5 Revival (change of subject, sort of)
>> > > >
>> > > >
>> > > > Not to pick nits but “angry” applied to AN/GRY- accessories, “Jerk”
>> applied to AN/GRC-, and “prick” applied to AN/PRC-.
>> > > > Of course this was the Army, and I was AF, so I am prepared to take
>> any and all heat for these statements.
>> > > > -pedantic Scott W7SVJ
>> > > >
>> > > >
>> > > > From:mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net>
>> On Behalf OfMilComm Guy
>> > > > Sent: Tuesday, July 30, 2024 9:38 AM
>> > > > To: MRCA at mailman.qth.net
>> > > > Subject: [MRCA] Angry 5 Revival
>> > > >
>> > > > I picked up this receiver at the spring Nearfest meet in NH, I
>> thought it looked nifty and rolled the dice it might actually work. I
>> powered it up with 24v and after a brief pause it came to life, I tuned
>> around and was listening to several stations, my joy was short lived, after
>> 20 minutes of bliss a fuse popped.
>> > > >
>> > > > I asked a friend if he was willing to see what happened and the
>> initial failure was a buffer capacitor on the main winding had shorted to
>> ground, he said I was lucky it didn't take out the winding. He ended up
>> changing out multiple if not all capacitors that tested bad, how this even
>> worked at all is amazing, the selenium components were also replaced. After
>> an alignment it now outperforms the stated rx sensitivity and it is working
>> great. The angry 5 now has a permanent home in the shack with the other
>> green monsters, a great big thanks to my friend for all his hard work
>> bringing this back to life.
>> > > >
>> > > > Naughty components.
>> > > >
>> > > >
>> > > > 73
>> > > > Mark
>> > > > K1HF
>> > > > ______________________________________________________________
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