[OFARC] Possible townhouse effect

[Dominic Mazoch]

SWR's good?


Dominic Mazoch

Please note: message attached

From: sc flowers <ursae47 at gmail.com>
To: OFARC <ofarc at mailman.qth.net>
Subject: [OFARC] Possible townhouse effect
Date: Fri, 25 Nov 2022 11:17:27 -0600


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Colleagues,
Good morning.  I noticed something interesting this morning transmitting
WSPR at 5 Watts from my IC 7300.  There seems to be directionality in my
newly built home brew antenna towards the NNE & NNW compass bearings.  You
can see this in the attached WSPR map.

My antenna is a 40m dipole oriented 30 degrees NNE.

It is possible that my townhouse is keeping signal propagation from going
south.  Possibly due to the TYVEK aluminum foil lined drywall paneling in
the walls.  Also the adjacent townhome, with similar construction, 30
degrees north of me may be similarly keeping signals from propagating
through it.

I thought I’d share this interesting result with you.

73,
Stephen (W2WF)


-- 
Regards,
Stephen
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