[Towertalk] Sigma verticals

[Guy Olinger, K2AV]

Verticals on 160 are notoriously rotten as receiving antennas due to
all the crud they hear, even if it has been shaped up as a top flight
transmitting antenna.

Beverages to listen with! No room, try one of the loop antennas, K9AY
or pennant, etc. With separate RX antennas, sometimes not so much
difference, other times breathtaking difference.

73, Guy.


----- Original Message -----
From: "Rick" <richardw@mho.com>
To: <towertalk@contesting.com>
Sent: Monday, March 25, 2002 11:51 AM
Subject: [Towertalk] Sigma verticals


> Bob,
>
> I have two Force 12 Sigma (Magnum 160VX) verticals phased in the
back yard.
> After  asking the question about grounds for verticals; the
overwhelming
> response was to go with as many ground radials as possible.
>
> I ended up putting down between 100 and 120  1/4 radials under each
vertical
> (not a one afternoon project).  This seems to be the best answer.
I
> beleive the ground at my qth is about the same as yours, and the
things seem
> to play fairly well (transmit).    They don't receive worth a damn
though;
> lots of qrn, etc etc etc.
>
> Good luck
>
> K8ZTT Dick
> Franktown CO
>
>
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