[Milsurplus] Question ( RBS; submarine )

[Meir WF2U]

Subs also have multiple receivers connected to the same antenna. How would you like to receive fleet traffic while on the other receiver which you're trying to pick up some enemy traffic, but you can't, because your first receiver is blasting into your COMINT receiver, or vice versa?



On August 24, 2016 10:57:58 AM EDT, Bill KA8VIT <ka8vit at ka8vit.com> wrote:
>It may be a myth.
>
>But, that's why the TRF's were used (in subs) over some of the other
>(better) receivers available at the time.
>
>That being said, by 150-mW QRPp transmitter can be heard a long way.
>
>73 - Bill KA8VIT
>
>
>On August 24, 2016 at 10:34 AM Meir WF2U <wf2u at ws19ops.com> wrote:
>
>The DF-ing of receiver radiation is basically an urban myth. The
>radiated RF is miniscule and the DF receiver would have to be at a
>fairly close proximity to the reradiating receiver, which will put it
>at visual range anyway. The real reason is that in shipboard radio
>operaton there were usually multiple receivers connected to the same
>receiving antenna, and the mutual interference from the same ship's
>receivers would be intolerable, especially when some receivers would be
>used for SIGINT and COMINT to search for and listen to enemy
>communications and other RF signals.
>
>73, Meir WF2U
>Landrum, SC
>
>
>====================================
>Bill Chaikin, KA8VIT
>USS COD Amateur Radio Club - W8COD
>WW2 Submarine USS COD SS-224 (NECO)
>
>ka8vit at ka8vit.com
>http://ka8vit.com
>http://www.usscod.org
>====================================

-- 
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