Re: [IRCA] Has anybody ever tried this?

["Len Hyde" <donutbandit@xxxxxxxxx>]

Yeah, I just snagged KNZZ-1100 using it to null tough KFAX.


On Sat, Nov 15, 2008 at 9:11 PM, <satya@xxxxxxxxxxxx> wrote:

> Hey Len:
>
> Good going on the homebrew tuned stick.  Sounds like you now have the
> equivalent of a Quantum Stick!
>
> Hope it continues to pull in tough DX for you.
>
> Kevin S
> Bainbridge Island, WA
>
>
>
>
> > On Sat, Nov 15, 2008 at 10:39 PM, Len Hyde <donutbandit@xxxxxxxxx>
> wrote:
> >
> >> Years ago, I made a device to peak up the untuned ferrite bar antenna in
> >> my
> >> DX-440. It's simply another ferrite bar, tuned with a small tuning
> >> capacitor
> >> out of the same radio that donated the bar, mounted in a piece of vinyl
> >> channel. The idea is to lay it on top of the DX-440, and use the
> >> capacitor
> >> to peak the circuit. The gain increases dramatically, but I never messed
> >> with it much, being a proponent of large air core loops.
> >>
> >> However, I have been playing with it lately, and have found that you can
> >> get
> >> some interesting nulling/phasing effects by moving it around and
> >> retuning
> >> it.
> >>
> >> For instance, tonight I was on 1140. KHTK was blasting in as usual, and
> >> KGEM
> >> in Boise was audible by turning the air loop. I could occasionally hear
> >> another station with religious singing in there, but never could bring
> >> it
> >> up, since it peaked along with KGEM.
> >>
> >> So, I got my little trick device out, and found that I could put that
> >> bar
> >> atop my radio, oriented and tuned in such a way that I could hear the
> >> other
> >> station clearly when it peaked. Both KGEM and KHTK were barely audible.
> >> It
> >> turned out to be CFXL, Calgary, AB. I couldn't get it in with the big
> >> loop
> >> because it was looped right through the Boise station.
> >>
> >> So, it looks like there may actually be some kind of phasing involved.
> >> I'm
> >> going to play with it some more.
> >>
> >> --
> >> Leonard Hyde
> >> Weed, CA
> >> Realistic DX-440
> >> 6 foot shielded loop
> >>
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-- 
Leonard Hyde
Weed, CA
Realistic DX-440
6 foot shielded loop
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