Topband: 40m array as RX antenna

WW3S ww3s at zoominternet.net
Wed Nov 14 17:29:03 EST 2018


I have 2x6 switch at the tower, that the inv l feeds thru, choosing a different antenna makes no difference in the noise level, but I suspect there is more to detuning it than just disconnecting it.....

Sent from my iPad

> On Nov 14, 2018, at 4:00 PM, <n4is at n4is.com> <n4is at n4is.com> wrote:
> ........
> 
> If you want your vertical RX array to work, it is necessary to detune your
> TX antenna, and any other vertical structure above 1/8 wave high, even it is
> 300 ft away. 160m one wave length is 480ft long, don't full yourself.
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Topband <topband-bounces at contesting.com> On Behalf Of Jamie WW3S
> Sent: Wednesday, November 14, 2018 2:10 PM
> To: topband <topband at contesting.com>
> Subject: Topband: 40m array as RX antenna
> 
> I'm plagued with local noise, I live in a sub division, and have a small
> loet (80x180), 2 yrs ago, I tried a reversible EWE and had pretty good
> sucess with it, last year I tried a HI-Z 3L, and wasnt really any better
> than the EWE. I put the EWE up again this season, and its so-so, but have
> discovered that my 2 ele 40m phased verticals work great as a RC
> antenna.....there is literraly no noise on this.....signal are weak, but as
> this noise is S0, I can hear just about everything (OK I couldnt hear the FR
> last night but I heard a bunch of EU calling him)......wondering why the
> noise is so lowoh this array compared to my other antennas, and if thats a
> clue as to what may be wrong (if anything) with the others.....my 160 inv l
> is S9 noise level, and my EWE is about S3..... 
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