[50mhz] Cushcraft A50-3S Question

[jeremy-ca]

Test it in the clear.

Carl
KM1H


----- Original Message ----- 
From: "George McCrary" <k8qm at nc.rr.com>
To: <50mhz at mailman.qth.net>
Sent: Monday, February 11, 2008 9:13 PM
Subject: [50mhz] Cushcraft A50-3S Question


> All,
>
>
>
> This question might be too subjective to answer, but I would appreciate 
> any
> insight you may have.
>
>
>
> I'm getting ready to put a used (good condition) A50-3S up at about 57 
> feet.
> I currently have the antenna on an 8 foot mast leaning against a pine 
> tree.
>
>
>
> I've set the antenna up for resonance at 50.0 MHz according the 
> measurements
> in the manual. When I measure the VSWR I actually get a dip at around 50.8
> MHZ where the VSWR is about 1:1. The VSWR at 50.0 is almost 3:1.
>
>
>
> Are the measurements in the manual that unreliable, or is the antenna 
> being
> affected by it's proximity to the tree and ground?
>
>
>
> Thanks again for any suggestions.
>
>
>
> George (K8QM)
>
>
>
>
>
> Moderator: Ray Brown, KB0STN
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