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Re: [IRCA] Has anybody ever tried this?
- Subject: Re: [IRCA] Has anybody ever tried this?
- From: "Paul B. Walker, Jr." <walkerbroadcasting@xxxxxxxxx>
- Date: Sat, 15 Nov 2008 22:47:35 -0600
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I heard CFXL Calgary on a bare, $10 Walmart boombox a few weeks ago!:)
Paul Walker
www.onairdj.com
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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