[ARC5] [Milsurplus] Command Receivers on the Broadcast Band

[Al Klase]

My PowerPoint on YE/ZB homing HERE 
<https://www.skywaves.ar88.net/Presentations/YE-ZB%20Presentation.pdf>. - AL

On 4/15/2025 8:12 PM, MARK DORNEY wrote:
> The R-24/ARC-5 beacon receiver had a very short lived military career. 
> It was being replaced by the R-4/ARR-2 starting in late 1944. The 
> R-4/ARR-2 combined the beacon receivers ( R-23 and R-24 ) with the US 
> Navy ZB Homing adapter. And the ZB homing device went out of USN 
> service in about 1960. It was replaced by VOR and TACAN.
>
> The Navy really didn’t require a receiver using a directional loop. 
> The Transmitter used with the ZB adapter ( YE transmitter ) used a 
> directional antenna to send a different cw letter, as well as a 
> transmitter specific identifier ( again in cw ) every 30 degrees of 
> the of the 360 degree rotation of the directional transmitter antenna. 
> The pilot/navigator simply had to listen for what letter they heard on 
> their headset to know their position in relation to their landing 
> field ( normally an aircraft carrier )
>
> The R-23/ARC-5 and R-24/ARC-5 were set up to use a loop antenna. The 
> ARA CBY-46145 and BC-946 ( SCR-274-N) were set up for a single antenna 
> lead. The R-4/ARR-2 also had a single antenna lead.
>
>
> Mark D.
> WW2RDO
>
> “In matters of style, float with the current. In matters of Principle, 
> stand like a rock. “.   -   Thomas Jefferson
>
> Sent from my iPhone
>
> On Apr 15, 2025, at 2:10 PM, robert meadows <rpmeadow at bellsouth.net> 
> wrote:
>
> 
> Not really rare, just the latest iteration of the receivers, from my 
> memory of reading the US Navy manuals on the radios.  In fact, I have 
> a control for the Broadcast receiver that is the standard ARINC width.
> From memory, the USN didn't standardize the ARC/ARA radios until early 
> 1960s.
> R
>
> On Tuesday, April 15, 2025 at 02:03:23 PM EDT, J Mcvey via ARC5 
> <arc5 at mailman.qth.net> wrote:
>
>
> I never saw one of those (ARC?) broadcast receivers with the loop option.
> That's a rare beast.
> The Arc beacon receivers all had the loop option. I've seen lots of those.
>
> On Tuesday, April 15, 2025 at 11:35:05 AM EDT, Al Klase <ark at ar88.net> 
> wrote:
>
>
> Gang,
>
> Recent discussion of CBY-46145 and BC-946B bring to mind my experience 
> with R-24/ARC-5 as a BCB DX receiver.
> <2012 DX Station.jpg>
>
>
> Here's my log from our radio club's DX contest back in 2012:
>
> <ARC-5 1-22-2012.png>
>
> Sadly, YVKS  has been QRT for a while now.
>
> 95% of the time you'll bemuch better off with a tuned loop rather than 
> a wire antenna.
>
> More info here: 
> https://www.skywaves.ar88.net/homebrew/ARC-5_PS/ARC-5_PS.html 
> <https://www.skywaves.ar88.net/homebrew/ARC-5_PS/ARC-5_PS.html>
>
> Have fun,
> AL
>
>
> -- 
> Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/ <http://www.skywaves.ar88.net/>
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> <2012 DX Station.jpg>
> <ARC-5 1-22-2012.png>
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-- 
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
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