G3A01 : How does a higher sunspot number affect HF propagation?
A
Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
B
Lower sunspot numbers generally indicate greater probability of sporadic E propagation
C
A zero sunspot number indicates that radio propagation is not possible on any band
D
A zero sunspot number indicates undisturbed conditions
Correct Answer: Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies