Solar Altitude?
Question:
Answer:
The University of Oregon has a javascipt application online that will allow you to make your graph from a web browser interface:
http://solardat.uoregon.edu/sunchartprog...
The chart comes out as PDF or PNG format.
Here's some other freeware tools you might want to use:
http://www.builditsolar.com/tools/tools.
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