[Elecraft] [OT] Birds and DX

Dave B g8kbvdave at googlemail.com
Mon Jun 8 06:06:13 EDT 2020


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, elecraft-request at mailman.qth.net wrote:
> From: Andy Durbin <a.durbin at msn.com>
> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
> Subject: [Elecraft] [OT] Birds and DX
> Message-ID:
> 	<BYAPR16MB29683B43EF747C28F54394568C840 at BYAPR16MB2968.namprd16.prod.outlook.com>
> 	
> Content-Type: text/plain; charset="iso-8859-1"
>
> 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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