[Antennas] Antenna SWR

[Ron Youvan]

David C. Hallam wrote:

> I just got a new play toy, an antenna analyzer, and have taken some SWR
> measurements on my antenna. I have a Butternut HF6V. This morning I
> measured the SWR. Shortly afterward we had a rain storm. Out of
> curiosity I measured the SWR again and found a significant upward change
> on all bands. I am confident there is no water egress at the connection
> of the feed line to 20M 1/4 wave transformer section. All joints on the
> antenna were assembled with Noalox. Maybe there could have been some
> water egress at the connecting lugs of the the 1/4 section on the
> antenna where they connect to the antenna but they appear to be sealed.

> Should I expect a SWR change just from a wet antenna?

   No, just from the wet counterpoise.
The next time it is dry measure it and then water the ground and see if 
it changes like it just did.
-- 
    Ron KA4INM - I'm proud to be Chuck's pop!