C. Signal quality/readability

Signal Strength

LOUDYour signal is strong
GOODYour signal is good
WEAKI can hear you but with difficulty
VERY WEAKI can hear you but with great difficulty

Readability

CLEARExellent quality
READABLEGood quality, no difficulty in reading you
DISTORTEDI have problems reading you
WITH INTERFERENCEI have problems reading you due to interference
NOT READABLEI can hear that you are transmitting but cannot read you at all