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

Tue Jul 30 21:31:35 EDT 2024

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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