[Elecraft] K3 filter widths re: speech intelligibility

[DOUGLAS ZWIEBEL]

http://www.polycom.com/common/documents/whitepapers/effect_of_bandwidth_on_speech_intelligibility_2.pdf

Don't confuse single single intelligibility of speech (and especially
speech quality) with speech intelligibility during heavy band qrm.
It's always a balancing act.

Argh.  This is why I have forgotten "the phone" and concentrate on cw.

de Doug KR2Q