PREDICTED SIGNAL-TO-NOISE RATIOS AROUND THREE HF TRANSMITTING STATIONS.
Research rept., Apr-May 66,
NAVY ELECTRONICS LAB SAN DIEGO CALIF
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Plots of data are presented that enable prediction of maximum hf communication coverage between ships in the areas of the Philippine Islands, Gibralter, and Iceland-U. K. The data show the manner in which the signal-to-noise ratio varies with time for extremes of sunspot number and season. Short-term effects and propagation via mixed modes are not considered. Author
- Radio Communications