[Elecraft] K3: CTCSS means "poor" sound on FM

[Ken - K0PP]

As a career two-way radio tech, I'll say that's "just
the way it is".  CTCSS tones must be filtered out of 
both the TX and RX audio path, or the user would
quickly tire of listening to the "hum".  

The TX deviation is set to about 600 Hz, with 750 Hz 
considered to be the maximum that should be used.

CTCSS is almost a necessity on today's multi-user
FM channels, where different user groups are stacked
10+ deep on channels in busy metropolitan areas.

73! Ken Kopp - K0PP