Whirley Bird:

I used "Argument" in the classic sense, meaning, roughly, supporting statements. Did not mean to ruffle feathers.

And with that Metal barn at your field, you've either been fortunate or never flown too close. I would hope the latter is the case.

Oh,and by the way, Don't fly around large metal structures.

Haw.

Radio interference in your aviation?
. Don't worry, not a Martian invasion.

Bill.