google is your friend, I think the first hit will tell you much of what
you ask.
73,
Al
On 2/16/2011 6:32 PM, Neil M Califano wrote:
"Does anyone know about this Sherwood filter: SD-5K/8 IF filter? Is it a
roofing filter ?
Yes, it is a roofing-filter.....
Bill W6FF"
What impact does this filter have on the selectivity of an R-4A since the later
filters determine the bandwidth and I prefer a wider skirt for AM reception?
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