Tom S <[EMAIL PROTECTED]> made an utterence to the drakelist gang
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--- "Thom R. Lacosta" <[EMAIL PROTECTED]> wrote:
> or a loop around my roff (and perhaps extending to
> the neighbors?
Thom,
If your neighbor is amenable, go with the loop. You'll
get much better overall performance.
My house is only 25 feet on a side, and no outside
antennas allowed. I ran the loop inside the attic from
the eaves, up to the peak and back down again, then
across the eaves and repeat the process at the other
end of the house. The Droopy Loop on the ARRL web site
is pretty much what I have, although mine is inside
the attic. If you can, put yours outside on the roof.
I've only got about 105 feet of wire, fed with about
10 feet of ladder line to a balun, then 25 feet of
RG-8 to the MN-2000 tuner. Works great on 40 without
the tuner, tunes up OK on 20 but is pretty finicky,
tunes up OK on 15 and 10 as well. Use insulated wire;
for reasons unbeknownst to me, when used in a closed
loop it effectively adds quite a bit of length,
electrically.
Definitely feed it with ladder line, and if you can,
use a true balanced antenna tuner. My next project is
likely going to be one of these tuners, and running
the ladder line all the way down through the wall to
the shack. I get some pretty interesting RFI on 20
until I get it tuned up, after which it's pretty much
gone.
For 75 I've got a Hamstick dipole in the attic. Very
finicky and *very* limited bandwidth, even with the
tuner.
I'm much happier with the loop; it doesn't tune up on
75, but it works great everywhere else.....
Tom WA8PYR
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