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Re: [RFI] RFI hunting on 160: TH-F6a?

To: rfi@contesting.com
Subject: Re: [RFI] RFI hunting on 160: TH-F6a?
From: Jim Miller <jim@jtmiller.com>
Date: Tue, 30 Dec 2014 14:11:16 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
I've built up a ferrite rod antenna (~ 7.5" x 0.5" ) and tuned it with a
365pf variable with a vernier dial. It resonates from about 800Khz to
3000Khz so nicely covers my current problem area. Easy to tune by peaking
on noise.

I've put a 2 turn coupling loop on it and fed it to my VR500 and strapped
it all to a piece of 1x2 poplar. I walked around with it last night and
found it had nice deep nulls.

I'll start a serious search tonight with someone driving the car while I
operate the antenna.

I'll report any findings.

73

Jim ab3cv

On Mon, Dec 29, 2014 at 2:50 PM, Jim Miller <jim@jtmiller.com> wrote:

> I'm trying to track down some RFI on 160 and eventually 80, 40, etc.
>
> 160 is my focus right now and I'm finding my little VR-500 to be pretty
> useless and will soon sell it.
>
> I recently purchased a Tecsun -PL380 but overlooked the detail that it
> doesn't cover 1710-2300 at all so it will also soon be sold.
>
> So now I'm looking at the TH-F6a which has a ferrite bar for 10Mhz and
> down. Based on my childhood experience with similarly sized 3 transistor
> radios on the AM band it would seem likely that this should be pretty
> directional which would greatly help tracking down sources.
>
> Does anyone have the TH-F6a that could comment on the directionality of
> reception on the AM BCB or 160m?
>
> Thanks
>
> Jim
>
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