[Spooks] IF Jamming SSW of NOLA?

Brooke Clarke brooke at pacific.net
Tue Sep 13 14:11:01 EDT 2005


Hi Hugh:

Most FM broadcast radios only have a 10.7 MHz IF since the signal is 0.2 
MHz wide.  Many HF radios use both 10.7 and 455 kHz IF stages, but the 
bandwidth of any 455 IF is less than about 16 kHz.

Have Fun,

Brooke Clarke, N6GCE
-- 
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Utility World (Hugh Stegman) wrote:

> Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from this list
> 
> 
>>Have there been reports of IF (intermediate frequency)
> 
> jamming south-southwest of New Orleans?
> 
> Someone involved with the HF ham radio relief effort reported a strong
> transmitter on 455 kHz blocking their receiver. I can't get any further
> information, despite asking around.  I certainly cannot determine whether or
> not there is any factual basis to any of this.
> 
> Most FM radios with 10.7 IFs are dual conversion with a second IF at 455.
> 
> -hugh


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