Okay, I'm done being creative. Try these .
PS... And roofing filter rage has been around for quite some
time...it is far from an Elecraft phenom.
de Doug KR2Q
http://www.w8ji.com/receivers.htm
http://www.sherweng.com/Dayton_2004/Dayton_2004-Sherwood.ppt
KR2Q:
PS... And roofing filter rage has been around
for quite some time...it is far from an Elecraft phenom.
Yep...at least since the mid-70's when Sherwood
introduced a 600 Hz roofing filter for the Drake R4C.
It addressed exactly the same IMD/BDR issues as today.
Receiver performance
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