The Rainbow Power Company of Nimbin in northern NSW not only sells
environmentally friendly equipment but provides heaps of quality
information on usage.

Rainbow Power Company <http://www.rpc.com.au/>



NASA's Surface meteorology and Solar Energy website provides technical
information in astounding detail. To access it, you must first register
with that organisation. Registration is free.

NASA <http://eosweb.larc.nasa.gov/cgi-bin/sse/grid.cgi?uid=3030>



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