Solar near Airports [RE-wrenches]

[Ray Walters]

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Hi All;

Thanks for the great responses. I am now considering Watt-sun trackers, 
since the direct reflection would be straight into the shadow of the 
aircraft as Randy  noted.

The concern I have is John Berdner's comment about radio interference. How 
close is too close? The aircraft are about 300 ft off the ground as they 
pass over the site, and about 200 to 300 ft to the side or 400 ft from the 
aircraft. The inverter would be inside a metal building, and I could 
install additional shielding if I knew what to put in.
My Dad is a solar engineer and private pilot also, so you better believe I 
want to do this right.

Ray

>,
>     This same concern came up a while back -I copied and pasted some of the
>traffic below. Of course, the comments are in reverse chronological order. A
>couple of other issues of interest are brought up, too. I think the argument
>that solar modules/collectors are designed to absorb light, and generally
>have anti-reflective surfaces, should carry some credence. Hey, if "solar"
>Taos can't get around this...
>
>Dan Rice
>Abundant Sun, LLC.
>Escalante, UT
>
>Unfortunately, there is a real issue here that has not been discussed.
>The large inverters out there being considered for such projects
>typically do not meet the FCC requirements for radiated or conducted
>emissions.  These babies are radio stations radiating across a wide
>spectrum of frequencies. This is most certainly a violation of Federal
>requirements and could very well represent a real "hazard to aerial
>navigation".  The guy who designed these inverters is a friend of mine,
>a pilot, and he agrees.
>
>  IMHO, installation of one of these systems in
>close proximity to an airport demonstrates some pretty questionable
>judgment.
>
>John Berdner
>
>SMA America, Inc.

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