HIGH ARCTIC HIGH FREQUENCY RADIO COMMUNICATIONS AND A SEVEN DAY POLAR CAP ABSORPTION EVENT

Authors
  1. Black, M.R.
Corporate Authors
Defence Research Establishment Pacific, Victoria BC (CAN)
Abstract
A report of high frequency radio communication conditions experienced in the high Arctic during the Iceshelf 91 Arctic Acoustics field program is presented. Over the period March 19 to April 26, 1991 radio conditions ranged from very good to a complete blackout for seven days from March 23 to 30, 1991 during a severe Polar Cap absorption event. Propagation prediction (PROPRED) bulletins, prepared by the U.S. Air Force Global Weather Center, Offutt AFB, Nebraska, were used on a daily basis for operational planning where good radio communication conditions were critical. Good agreements were found between the predictions and the observed communication conditions. The eleven-year sunspot cycle peaked in 1990 but is still expected to have a significant effect on radio communication conditions for one or two more field seasons.
Report Number
DREP-TM-91-18 — Technical Memorandum
Date of publication
15 Nov 1991
Number of Pages
32
DSTKIM No
92-02632
CANDIS No
105490
Format(s):
Hardcopy;Originator's fiche received by DSIS

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