Ham Radio General Class Practice Test

What is a major advantage of MFSK16 compared to other digital modes?

1. It is much higher speed than RTTY

2. It is much narrower bandwidth than most digital modes

3. It has built-in error correction

4. It offers good performance in weak signal environments without error correction

The correct answer is: It offers good performance in weak signal environments without error correction

MFSK16 is particularly advantageous in weak signal environments because it uses multiple frequency shift keying, which helps improve the signal's resilience against noise and interference. This digital mode is designed to operate effectively even when the signal quality is not optimal. By utilizing multiple tones, MFSK16 can maintain readability and accuracy, allowing operators to communicate effectively even if the signal is weak. This characteristic makes it a preferred choice for conditions where other modes might struggle. While options like higher speed or narrower bandwidth could be advantages of other digital modes, MFSK16’s ability to perform under adverse conditions without relying solely on error correction adds a valuable layer of effectiveness in challenging communication scenarios.