[Elecraft] [K3] KFL3A-1.0K 1 kHz, 8-pole roofing filter : Purpose?

[K4IA at aol.com]

The 1 kHz filter is a decent roofing filter for  general CW use.  It is wide 
enough that you can hear someone off frequency  but narrow enough to attenuate 
a big signal close by.  

The 500Hz is  pretty narrow and you might not hear someone calling off 
frequency.   Sometimes that is a good thing, as in very crowded contest conditions.  

k4ia
Craig "Buck"
Fredericksburg, Virginia
K3 #101  




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