[Elecraft] Loop antenna's

[Ignacy]

I used to have a mag loop too. It is ideal when it can be transported in
nearly original condition, when no tuner is available, and when tall
structures are unavailable. With a loop, one can be in the air in seconds.
However, the loop weighs a couple of pounds and it needs to be adjusted very
often. 

Inside, loop's performance depends on the type of siding and roof
+obstructions. With vinyl siding and no outside obstructions, very good.
With metal siding, hard luck. An extra advantage of the loop is the ability
to null noises. 

If one has a good tuner, a thin long wire weighs ounces and can be matched
automatically in no time.  But setting time is higher and lots of space is
needed. 

Once I had a business at a FL mountain (300ft!) during the time of a CQ 160
SSB contest. 2 x 150 ft gauge 30 wire from a window directly to nearest
trees. Good for 10 QSOs with K2/10. The wire + fishing line weighed a few
ounces. 

No size fits it all. 

Ignacy, NO9E




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