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Author Message   Harryrag Tinkerer Username: Harryrag Post Number: 223 Registered: 05-2008 Rating: N/A Votes: 0 Posted on Monday, April 05, 2010 - 05:14 am:    After a total of 36 posts people turn high grade professional, very interesting. Can you be a bit more specific about "low gamma someting like 0.56", Mareklew, as it is all Greek to mere mortals. I thought resistance was measured in ohms, even with LDRs?! But maybe I am wrong, ...