I use the FM filter, because I had it, and it seems to work well. I have never had the 6 Khz filter to compare it with. -- View this message in context: http://elecraft.365791.n2.nabble.com/KBPF3-General-Coverage-Receive-Option-Questions-tp7569874p7569884.html Sent from the Elecraft mailing list archive at Nabble.com.