PREDICTED SIGNAL-TO-NOISE RATIOS AROUND THREE HF TRANSMITTING STATIONS.

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-ter...

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Bibliographic Details
Main Authors: Potthoff,J. R., Gerard,H.
Other Authors: NAVY ELECTRONICS LAB SAN DIEGO CALIF
Format: Text
Language:English
Published: 1966
Subjects:
Radio Communications
*RADIO TRANSMISSION
SIGNAL TO NOISE RATIO
HIGH FREQUENCY
GRAPHICS
RADIO WAVES
PREDICTIONS
COMMUNICATION AND RADIO SYSTEMS
SHIPBOARD
INTEGRATED SYSTEMS
Iceland
Online Access:http://www.dtic.mil/docs/citations/AD0647286
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0647286
Description
Summary: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)

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