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

[K7JLTextra]

Have used metal as a ground plane & it worked great. Metal sections must be well bonded together or rectification will result. The larger the better. 

John Hendricks K7JLT

On Jul 4, 2013, at 16:16, KD7YZ Bob <kd7yz at denstarfarm.us> wrote:

> 
> 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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