>
> We are thinking of replacing our old G5RV at the hospital with a new G5RV
or
> two dipoles on a common feed point cut for 40 and 75M. We want this for
> local emergency communication among the islands out to 250 miles. We have
a
> tuner. Antennas will be above the 3rd story roof.
>
> Any recommendations?
>
If you use a common feedpoint, keep some separation between the two dipoles.
I tried running a 75/40 dipole with close spacing and had trouble with the
40 meter
version, couldn't get the SWR down. I drooped the 40 about 18 inches and it
helped
considerably.
Mike
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