Thread: PST solarscope - What does the blocking filter block?
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Old 14-12-2011, 06:32 PM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
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No.
There are no alternatives that I know off....
making a quality interference filter with such a small bandwidth (5A) is not easy......
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