[Milsurplus] IFF unit?

[Ray Chase]

Early on some ground IFF systems were given RC numbers, maybe for security 
or something else, I'm not sure.  They were "add-ons" to existing radars and 
often varied in detail depending on the associated radars.  Their individual 
units always had the familiar BC , PS, etc nomenclatures.  Eventually as 
they were upgraded and modified some grew in the AN system such as the 
AN/CPX-1.  The RC numbers that I previously listed are the correct 
nomenclature for your device.  I believe that I have the TM's for it.
Ray
----- Original Message ----- 
From: "Moe Fretz" <tubetester at gmail.com>
To: <COURYHOUSE at aol.com>
Cc: <kk5f at arrl.net>; <milsurplus at mailman.qth.net>
Sent: Wednesday, November 10, 2010 5:15 PM
Subject: Re: [Milsurplus] IFF unit?


> Thanks for all the replies and also for all the links to follow up on.
> Still trying to determine it's exact SCR number, but in time we will 
> figure
> that out.
> Thanks again    Moe
>
> $-------&
> Moe Fretz
> Collection and Preservation
> Of Canadian Tube Radios, Communication Equipment,Vintage Ham gear and
> Military Radios.
>
> http://www.radiopreservationguy.com/
>
> Don't part them out ---- Restore them.
>
> Cambridge
> Ontario Canada
>
>
> On Tue, Nov 9, 2010 at 12:10 PM, <COURYHOUSE at aol.com> wrote:
>
>>
>> look at
>>
>> _http://www.smecc.org/wpe_files/wpeC.jpg_
>> (http://www.smecc.org/wpe_files/wpeC.jpg)
>> this is fro the museums website here.
>>
>> see  the iff antenna is larger than the radar antenna!
>>
>> We have  a book on this  unit  but it will not fit on my  little 
>> scanner...
>> it is a big folio thing.
>>
>> does anyone know if it has been scanned out there somewhere?
>>
>> Thanks,
>>
>> Ed Sharpe, Archivist for SMECC
>>
>> See the Museum's Web Site at _www.smecc.org_ (http://www.smecc.org/)
>>
>> >
>>
>>
>>
>>
>> In a message dated 11/9/2010 9:48:37 A.M. US Mountain Standard Time,
>>  kk5f at earthlink.net writes:
>>
>> > It  was thought to be a SCR 595   Not sure?
>>
>> Fred Chesson's site  says that the BC-1293 is part of AN/CPX-1, an
>> air-transporable
>> Mark III IFF  interrogator system.
>>
>> >From http://pages.cthome.net/fwc/AN-C.HTM  :
>> ---------------------------------------------------------
>> CPX-1*   Mk-III IFF Set U/W CPS-1, MPM-17 TM 11-1353,1453,1553  1944
>> BC-1267    CPX-1 R-T, 157-187 MC, 1 KW PP
>> AB-75/   CPX-1 Ant. Tower, 25 ft.
>> AB-76/CPX  CPX-1 Ant. Pedestal  Mount for AN-154-A
>> BC-1293    CPX-1 Ind. (5CP1 CRT)
>> CG-274/CPX  CPX-1 RG-8/U Cable  Pedestal to FM-80/
>> CX-587/CPX CPX-1 RG-8/U  Cable  U/W AB-76/CPX
>> CX-809/U   CPX-1 Power  Cable
>> CY-366-368/    CPX-1 Cable & Spare Parts  Chests
>> CY-369/    CPX-1 Oscilloscope Case
>> CY-370/     CPX-1 Calibrator Chest
>> CY-371/CPX Chest for I-222-A Test Set  P/O  RC-384, CPX-1,2
>> CY-375/CPX Transit Chest
>> FM-80/     CPX-1 Eqpt Frame
>> I-221-A    CPX-1  Range Calib.
>> I-222-A    CPX-1 Signal Gen.
>> MX-502/     CPX-1 Truck Mounting Kit
>> MX-526     CPX-1 Tuning Dial Mod.  Kit
>> TS-2/      CPX-1 Range  Calib.
>> ---------------------------------------------------------
>>
>> The  SCR-595-A is the most common Mark III *aircraft* transponder.   It
>> actually has USN nomemclature as the ABK-*, even in USAAF service.   It's
>> about 35 pounds and, of course, much much much smaller than the  ground
>> interrogator system.  The other common WWII IFF transponder was  the
>> SCR-695-A,
>> (BC-966-A) which was a Mark III/G IFF.  Anyways, what  you have is 
>> neither
>> of these.
>>
>> Mike /  KK5F
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