[SCCC] 160M residential lot antenna

[Bob Selbrede, K6ZZ]

Excellent point, Bill.  Odds are, if you are running legal
limit into a decent TX antenna, you are probably being
"heard" much better than you are "hearing yourself".  A good
RX antenna would be a worthwhile addition.

Bob  

----- Original Message Follows -----
From: Bill Haddon <haddon.bill at gmail.com>
To: "Coker, Timothy J" <TJCoker at lasd.org>
Cc: sccc at contesting.com
Subject: Re: [SCCC] 160M residential lot antenna
Date: Tue, 1 Feb 2011 12:00:11 -0800

> Tim,
> 
> Even with cobbled together system you had a decent signal
> 100 mi N of SF. Of course you may want a decent sig in
> Europe and JA.
> 
> You tower and beam will be the basis of a fairly good
> top-loaded transmitting antenna when properly configured
> and matched. . Separately, I'll suggest one or two NCCC
> guys for further info, but be sure to read ON4UN's book
> ,"Low-Band DXing"  with emphasis on Ch 9 Section 5.8  [in
> the 1994 Edition] "Using the Beam Tower as a Low-Band
> Vertical" and especially Figure 59A "Electrical Length of
> a Tower Loaded with a Yagi Antenna".  Maybe you would use
> a Gamma match  . see Section 5.8.1 , especially Figure
> 9-61.
> 
> An inverted L is another choice. .construction on an
> existing tower is discussed in Section 6 of Ch. 9.
> 
> Your challenge will be hearing.  A K9AY loop or equivalent
> might help, but it may couple significantly to the
> transmitting antennas with your 75x75 foot lot.  I wonder
> if installing a rotating loop above the beam would improve
> the situation.  If you can persuade three to five
> contiguous neighbors with houses to the NE or SW to
> cooperate,  a Beverage antenna could be installed, maybe
> running along wood fences.  Did you try your 80 m wire
> antenna for receiving? Might give some improvement. You
> could try listening the next few nights to the VP8ORK
> pileups around 1.829 in late evening.
> 
> In Marin county with low power and an 85 foot wire hung
> from a tree with 4-wire top loading and two elevated
> radials I managed WAS, WAC with no separate Rx antenna but
> working Eu is a challenge.  Not transmitting so much as
> receiving.
> 
> 73 Bill n6zfo  [NCCC]
> 
> On Tue, Feb 1, 2011 at 7:57 AM, Coker, Timothy J
> <TJCoker at lasd.org> wrote:
> 
> > Are there any antenna gurus on the list that wouldn't
> > mind helping me develop a 160m antenna for my place?
> >
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