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Old September 28th 08, 02:16 PM posted to rec.radio.amateur.antenna
Dave[_18_] Dave[_18_] is offline
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First recorded activity by RadioBanter: Jun 2008
Posts: 1,183
Default techshield patch antenna

Sal M. Onella wrote:
"- HAL9000" wrote in message
...
Has anyone given thought to converting attic "techshield" insulation
to a HDTV suitable antenna? I have a roof dormer (vertical section)
that faces the desired reception direction.

I am thinking a UHF patch antenna and a VHF patch antenna and then
combining the two - traditionally.

Ideas?



I have one patch antenna. I made it from online plans for 1.58 GHz -- a GPS
antenna for my old Garmin handheld. With a short length of coax attached, I
secure the patch antenna to the luggage rack and not worry whether the
Garmin is near a window. (Newer units are more sensitive -- no need.)

The patch antenna is not very directional, a good thing for GPS, since you
want a view of the whole sky but maybe not such a good thing for TV
reception unless you want a non-directional antenna. I think the patch
antenna is circular polarized. You'll lose 3 dB using it for linear
polarization.

Sure, it might work for UHF TV but it doesn't seem like the ideal.



You'd have better luck making a collinear quad out of coat hangers.

(It's fun actually talking about antennas instead of BS...)