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Radio – Requirement 9a3

AMATEUR RADIO (3) Explain at least five Q signals or amateur radio terms you hear while listening.
Q Signals are three letter shortcuts used in Morse Code and useful when radio operators don’t speak the same language. 

Here are the most common:  
QTH: location
QSO: a Conversation
QSL: I acknowlege receipt
QSY: Change frequency
QRM; Manmade Interference
QRN: Noise
QRP: Low Power
QRT: Stopping Transmitting  

Other common terms are  
CW: Morse Code (comes from Continuous Wave)
DX: Long distance
Ham: An Amateur Radio Operator
Phone: Voice transmissions
RTTY: Radio Teletype
Rig:  My radio
Shack: my radio room

Signal reports on Morse Code are given as:
RST (Readabilty, Strength, Tone);  599 is the best.
Signal Reports on Voice are given as: RS (Readability, Strength); 59 is the best.

Here is a handy chart you can bookmark or print.