[Milsurplus] Question ( RBS; submarine )

[Kenneth G. Gordon]

On 24 Aug 2016 at 7:47, Bill KA8VIT wrote:

> I've was told last evening that the VHF radio was a 4-channel SCR-522
> and not the URR-13 mentioned earlier. 

>From what I have recently seen, the URR-13 was a receiver only. To communicate, one 
needs a transmitter. Furthermore, the URR-13 is a single-channel crystal controlled unit. 
And it is operational in the 224 mHz band. As far as I know, that band didn't become useful 
until quite late in WWII.

>From reading USS Cod's war patrol reports and those of USS Pamponito, it is clear that 
when VHF was eventually used in our subs, the first unit was the ARC-4, which was 
subsequently replaced with an SCR-522 unit fairly quickly. Both of those covered 100 - 156 
mHz, and not 224 mHz.

Ken W7EKB

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