[Elecraft] OT - anyone have experience with effects of metal roofs on antenna performace?

KD7YZ Bob kd7yz at denstarfarm.us
Thu Jul 4 19:16:01 EDT 2013


On Thursday Taenzer used a Straight-Key to send:
-------------Original Comment-------

> We've been considering having a metal roof, but I'm wondering about the
> possible impact of the metal roof on the radiation pattern

I can tell you that my barn metal roof allows me to make about an hour
window to the WNW for 6m EME. I do not have Az/El rotator.

The 6M8GJ 8 element is about 30 feet above , and at the apex of, the
barn roof. The orientation of the barn is generally  also WNW.

It's predictable, never fails and I have made a few EME contacts on 6m
looking that way towards moonset and an Elevation of about 28 degrees
and down.

-- 
Best regards,
Bob  KD7YZ    Win7-64bit + K3



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