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</span></span>ASPAM=antispamwpk42<span><span>.</span></span><br><span class="gmail_quote"><br></span>Hi, I'm an Italian student, I'm having some trouble with solar radiation, but the message says "<span><span>negative value for solar radiation on 20orientation encountered" and I don't know if 20orientation (it is written without space between the two words), is refereed to some orientation in particular... I have filtered all the data about radiation with equation that choose the max value between zero and the radiation... I don't know...
<br>thanks for your kind attention... I apologise for my English..<br></span></span><span><span><br></span></span>