[TowerTalk] Dipole puzzle

[Tom Rauch]

> After pulling up the antenna, I used my MFJ259B to check
things out,
> expecting the need to fine-tune the location of the
feed-point. I was
> surprised to see that I was measuring something close to
the
> predicted results above 3MHz or so (e.g., a nice resonant
point in
> the middle of the 80-meter band), but totally weird
results in the
> 160 meter band---R values on the order of 1 or 2 ohms
(where EZNEC
> predictes R in the 100s'). I then brought my radio outside
to confirm
> the results. Infinite SWR in the 160 meter band, but
sensible things
> below 80 meters.
>
> I also pulled the balun out to see what would happen.
Again,
> predictable results below 80 meters (above 3.5MHz) and
weird results
> (R close to 0) in the 160 meter band.

It isn't the type of wire.

What kind of balun do you have?
How far off center is the feedpoint?

73 Tom