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Messages - billlou

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Hi:


look at p .159, no figure attached.


I cut and paste the section below for your review:

On the top of P.159, It said:

"4. An array of rack-mounted PV modules at 45N latitude consists of south-facing rows,
tilted at 30, as shown in the figure. The lowest sun altitude of the year at noon solar time
is 21 as shown in the figure below. "



Please help

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