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[aprssig] REF: Directional Antennas for APRS

Matthew Stennett wa4tkg at yahoo.com
Sat Oct 14 22:28:56 UTC 2006


I have BOTH Antennas up, for the very reasons you are
Questioning:

I have a MagMount Larsen on a Metal Roof Vent; and 20'
away; on a mast, I have a 10db gain 2M Yagi, if you
can have BOTH; why NOT ?
2 position coax switch right here @ operating point.

--- Patrick Green <pagreen at gmail.com> wrote:

> Hi All,
> 
>   Has anyone switched from an omni antenna to a
> directional one to provide
> coverage to an area more specifically?  Did you make
> the change based on
> channel crowding (too many digis/stations in the
> unintended area), or based
> on getting better coverage to an area because the
> digi's location was off
> center from the desired coverage area?
> 
> 1. What kind of antenna did you use?
> 2. What is the terrain of the area (digi on a
> mountain/hill)?
> 3. After you made the change, did it meet
> expectations?
> 
> If your digi lived its entire life with directional
> coverage, you can
> comment there as well.
> 
> 73 de Pat --- KA9SCF.
> > _______________________________________________
> aprssig mailing list
> aprssig at lists.tapr.org
>
https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
> 


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