Title :
Improvements in radio propagation prediction service
Author_Institution :
National Bureau of Standards, Boulder, Colo.
Abstract :
Data from world-wide ionospheric and solar stations permit close observation of the changing state of the ionosphere so that the maximum usable frequency for radio communications between any two points in the world can be accurately predicted 3 months in advance.
Keywords :
Interference; Ionosphere; Materials; NIST; Radio communication; Radio propagation; Reflection;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1960.6432813