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Re: [IRCA] Shorter BOGs
- Subject: Re: [IRCA] Shorter BOGs
- From: Russ Edmunds <wb2bjh@xxxxxxxxx>
- Date: Wed, 19 Sep 2007 09:03:22 -0700 (PDT)
--- Craig Healy <bubba@xxxxxxxxxxxxxxxxxxxx> wrote:
> > I can nicely phase southerly QRM..ie made Winnipeg rather dominant
> on 1290
> > etc etc. Unfortunately the longest I can get is about 295 ft or so
> but
> this
> > will still be fine for the high end.
>
> In Victor Misek's book he shows a shortened wire antenna. It was
> done by
> setting it out in a zigzag fashion. The wire length was pretty long,
> but it
> didn't take as much real estate. If the BOG were run in a zigzag
> fashion
> across the field, I wonder if it would approximate a longer antenna?
> Another way might be to use cotton clothesline rope. Then just loop
> the
> wire up so some sagged down. Probably could get a thousand feet of
> wire in
> a couple hundred feet or so of land. Loaded antennas are common in
> verticals, so maybe the same sort of thing could work in a horizontal
> wire.
>
I could see running the phase wire that way. I would anticipate a
reduction in the tightness of the directional pattern doing that with
the BOG itself.
Russ Edmunds
Blue Bell, PA ( 360' ASL )
[15 mi NNW of Philadelphia]
40:08:45N; 75:16:04W, Grid FN20id
<wb2bjh@xxxxxxxxx>
FM: Yamaha T-80 & Onkyo T-450RDS w/ APS9B @15'
AM: Hammarlund HQ-150 & 4' FET air core loop
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