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Hello everyone,
i was wondering if someone knows what the output for "slope of surface" refers to, in the weather type 15-6, when using tracking mode 3.
I have a collector array that rotates along a axis (the axis is horizontal (-> Parameter 8= slope of surface=0 ) and south oriented).
If the output "slope of surface" was the actual slope of the axis (as it is in input) it should always be 0, but this is not the case,
as it varies during the way reaching a minimum around midday.
Thanks in advance,
Federico |