HF Propagation Forecast - December 2009
Category Name:
Ref. Month:
December
SSN = 40 | RED = HPF (Highest Possible Frequency) GREEN = MUF (the 50% MUF) BLUE = FOT (Frequency Optimal Transmission) |
SSN = 40 | RED = HPF (Highest Possible Frequency) GREEN = MUF (the 50% MUF) BLUE = FOT (Frequency Optimal Transmission) |