Solar Pathfinder Assistant [RE-wrenches]
Mark Frye
markf at berkeleysolar.com
Tue Feb 20 08:17:53 PST 2007
I recently started using SPA.
I just noticed that with a zero shading trace, the Unshaded % of Actual Site
by month changes with azimuth and tilt.
As azimuth moves from 180, less than 100% is reported for all months.
But as tilt moves towards 0, the summer months begin to be reported as
greater than 100%.
I am talking with SPA now, but does anyone have an idea of why azimuth and
tilt need to be applied to determine % % unshaded?
MPF
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