[amsat-bb] Re: DFing Terrestrial QRM
vk3jed at gmail.com
Sat Sep 22 05:02:41 PDT 2007
At 08:10 AM 9/22/2007, Robert Bruninga wrote:
>It is subtle. In fact, a lot of this signal strength tracking
>is really by ear. Just listening to aggregate of the degree of
>quieting and the rise and fall of the background FM noise. The
>S meter just gives a benchmark now and then.
I actually did test it in situations where I knew the source, and got
the wrong result.
>When walking with the HT, I periodically stop and with the HT
>held tightly to chest, do a perroiette (I have no clue how to
>spell a french dancing maneuver)... Lets call it a spin in
>place. My ear hears the subtle peaks in the back ground noise.
>The direction of my back on those subtle and narrow noise level
>peaks is generally the direction to go next.
I see, might give it another try. :)
>Or something like that. Doing this in a field of 8 foot tall
>corn with razor sharp leaves and a sunburn tends to make one not
>want to go in the wrong direction for too long. (Finding a
Hehe, I usually have a sniffer on hand. Being an ARDFer helps. ;)
73 de VK3JED
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