Try a plastic Owl, Hawk, or other dummy predator mounted on the near the
antenna, but in full view..
It too, may detune things a bit if mounted on it, but at least it'll be
there all the time!...
73.
Dave G0WBX.
On 07/06/2020 18:29,
[hidden email] wrote:
> From: Andy Durbin <
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> To: "
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> Subject: [Elecraft] [OT] Birds and DX
> Message-ID:
> <
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>
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> I use a home brew mag loop on 30 m band and work into Asia most mornings with it. The loop tunes to a near perfect match (1.00:1 SWR) but becomes instantly detuned when a dove perches on top of it. SWR jumps instantly to > 3.0:1 and trips my High SWR monitor. The birds look stupid but they are smart enough not to straddle the loop opening. I imagine full loop voltage between their legs would de-tune them a bit but they just perch one side or the other.
>
> Damn dove nearly cost me a QSO with JD1 this morning and that was new DX for 30 m. I tail ended with FT8, he came back, I started to send my report, High SWR trip, run to back door to chase the dove away, and got back before JD1 had given up on me.
>
> So how to keep birds of a mag loop without lowing the Q?
>
> 73,
> Andy k3wyc
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