Numerical maps of fbEs for solar cycle minimum

Description:

World numerical maps of lower decile, median, and upper decile values of the monthly distribution of fbEs have been completed for all 12 months of 1964, a solar cycle minimum year.

subjects: Charts, diagrams,  Charts, diagrams, etc,  Effect of solar cycle on,  Maximum usable frequency (Radio),  Solar cycle,  Troposphere,  Tropospheric radio wave propagation