On 11/26/2010 7:17 AM, kf6e@mail.com wrote:
> The problem was that I had a random wire antenna in my attic and
> wanted to use it on several bands. The impedance was low on one band
> and quite high on others. A transformer to change the impedance seen
> by the rig would only have worked on one band.
Certainly, but it was only needed on one band. Might have needed a
switch or relay to switch it into the circuit for that band.
(I calculated the
> initial length of the wire as follows: I started in one corner of
> the attic, and when I got too tired to go on, I stopped and cut the
> wire.) I subsequently tried adding some length in small increments,
> and improved the loading somewhat, but never got it very good. I
> replaced it with several center-fed dipoles, which not only load
> better, but perform better both on receive and transmit.
>
>
> Moral of the story: don't buy a house where outdoor antennas are not
> allowed, no matter how much the XYL insists.
>
>
> By the way, the LDG AT-600 Pro is for sale, since I now use a Ten Tec
> Centurion amp with the MFJ-998.
>
>
> 73, Frank KF6E
>
>
>
73, Jerry, K0CQ
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