What are Q-codes and why should they be used sparingly on formal nets?

• A. Q-codes are brevity codes used in radiocommunication to convey common phrases; They can be ambiguous; Use standard plain language to avoid misinterpretation.
• B. Q-codes are mandatory on all nets.
• C. Q-codes speed up transmissions and are always clear.
• D. Q-codes replace all traffic with codes.

Answer: (A)