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Re: [TowerTalk] TV antennas on HF towers

To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] TV antennas on HF towers
From: <ssouva@twcny.rr.com>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Wed, 28 Apr 2010 12:32:40 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I have considered moving my 4228 up on the tower, but didn't think the u-bolts 
would fit the 2" mast coming out of the top of tower.  Did you modify the 4228 
or is it factory specs?

73
Scott, KG2S

---- Ryan Jairam <rjairam@gmail.com> wrote: 
> If your antenna system is good enough so that you get strong signals
> from your desired stations you will have no problems. If you have
> marginal signals you will get breakups on digital signals. I don't
> remember what happens on analog because there's just one analog
> station I can receive here (W36AZ ch 36) which I can get in digital
> anyway. I operate at around 800 watts and there's no interference on
> my TVs.
> 
> This is my TV antenna setup -
> 
> 2 x Channel Master 4228 (16 bay bow tie array, with a reflective screen) for 
> UHF
> Winegard YA1713 Yagi for VHF 7-13
> Antennacraft 10G212 30dB preamp
> 
> The antennas are about 65ft on the tower which is good enough to get a
> digital lock and no dropouts on the NYC stations which are ~49 miles
> away. Only Fox 5.1 WNYW-DT has a little tiling when I key up because
> their antenna pattern I think reduces the signal towards here because
> of co-channel with WMCN 44 in Atlantic City NJ.
> 
> 73
> Ryan, N2RJ
> 
> 
> On Tue, Apr 27, 2010 at 4:26 PM, Charles Coldwell <coldwell@gmail.com> wrote:
> > I've heard of/read about people who put television antennas (for
> > receiving  OTA broadcast TV) at the top of towers that are also used
> > for HF antennas.  Does this risk blowing out the receiver in the TV if
> > it picks up harmonics from the HF transmitter?  I suppose one could
> > use a low pass filter on the transmitter/amplifier output, but I would
> > still expect to get some RFI on the TV.
> >
> > Does anyone have any experience with this sort of setup?
> >
> > --
> > Charles M. Coldwell, W1CMC
> > "Turn on, log in, tune out"
> > Winchester, Massachusetts, New England (FN42kk)
> >
> > GPG ID:  852E052F
> > GPG FPR: 77E5 2B51 4907 F08A 7E92  DE80 AFA9 9A8F 852E 052F
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> 
> 
> 
> -- 
> Ryan A. Jairam,
> _______________________________________________
> 
> 
> 
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