Arctic Radio Wave Propagation

The object of this investigation is to obtain additional information concerning the effects of aurora on high frequency radio signals which is essential to a complete understanding of new modes of propagation that have tactical and strategic applications. Signal Corps Contract No. DA-36-039-SC-71137...

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Bibliographic Details
Main Authors: Owren, Leif, Little, C. Gordon
Format: Report
Language:English
Published: Geophysical Institute at the University of Alaska 1958
Subjects:
Online Access:http://hdl.handle.net/11122/3519
Description
Summary:The object of this investigation is to obtain additional information concerning the effects of aurora on high frequency radio signals which is essential to a complete understanding of new modes of propagation that have tactical and strategic applications. Signal Corps Contract No. DA-36-039-SC-71137 Department of the Army Project No. 3-99-03-022 Signal Corps Project No. 182B LIST OF FIGURES -- [SECTION I] PURPOSE -- [SECTION II] ABSTRACT -- [SECTION III] PUBLICATIONS. LECTURES, REPORTS AND CONFERENCES -- [SECTION IV] FACTUAL DATA : 1. Signal Outage Time on Short Paths and Blackouts Compared for Years of High and Low Solar Activity. 2. Study of Possible Relations between Transmission over Long Paths and Ionospheric,Magnetic and Solar Phenomena. 3. Study of Fluctuation Indices. 4. Effects of Ionospheric Absorption and Irregularities on 4 Mc/s Short Path Transmission. 5. F2 Region Parameters at College for the Period June 1941 Through December 1956. 6. Tables of Monthly Medians Signal Strength June 1949-December 1950 and January 1954-October 1955. -- [SECTION V] OVERALL CONCLUSIONS -- [SECTION VI] RECOMMENDATIONS -- [SECTION VII] PERSONNEL Yes