[Elecraft] Attic Antenna Tradeoff?

Sat Sep 21 16:53:00 2002

Greg,

I have dipoles in my attic for 40,20,17,15, and 10.  The 40 uses two loading
coils in either leg to reduce its size by about 60%.  I have no trouble
getting out on all bands and performance is just slightly worse than my
outdoor dipoles.  A more important problem is that the indoor antennas
pickup considerably more noise from the usual assortment of electronic
devices in the house.  This was the main reason I eventually put up antennas
outside.  The bottom line is that if you are really limited to attic
antennas - don't worry you'll do fine.  If you can possibly put up a dipole
outside - do it.  It'll be a lot quieter.  I use a W9INN - 60 feet - 5 bands
80-10 - works great and not very visible with the trees behind it.  I also
use a Spi-ro D-314 3 band trap dipole for 30-17-12 and it works very well.
Two antennas and 9 bands.

Doug -- W4DXV

----- Original Message -----
From: "Greg White" <[email protected]>
To: <[email protected]>
Sent: Saturday, September 21, 2002 1:01 PM
Subject: [Elecraft] Attic Antenna Tradeoff?

> I am currently building a new home and have many challenges regarding the
> use of a traditional outside antenna.  I know that an "indoor/attic"
antenna
> is a compromise, but how much of one??  All things being equal, what
amount
> of attenuation (receive and transmit)can I realistically expect?  I am
just
> trying to figure out if I would be happy with an attic antenna for the
time
> being.  I will use a trap dipole in the attic (about 25-30 feet) with my
K2.
> Thanks!
> Greg, N9EYO
>
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