HAARP Digisonde Desrciption

0002-EX-PL-2016 Text Documents

University of Alaska Fairbanks Geophysical Institute

2016-01-04ELS_170965

HAARP Digisonde Description

Output (ionograms) from the HAARP DPS-4D digisonde will provide:

a. Support of operational systems, including shortwave radio communications and OTH
radar systems. This support can be in the form of predictions of propagating frequencies at
given times and locations in the future (e.g., over the ensuing month) or the provision of
real-time updates (updated as frequently as every 15 minutes) to detect current conditions
such that system operating parameters can be optimized.

b. Scientific research to enable better prediction of ionospheric conditions and to understand
the plasma physics of the solar-terrestrial interaction of the Earth’s atmosphere and
magnetic field with the solar wind.

The areas of research pursued by users of the more sophisticated features of the Digisonde ®
sounders include polar cap plasma drift, auroral phenomena, equatorial spread-F and
plasma irregularity phenomena, and sporadic E-layer composition [Buchau et al., 1985;
Reinisch 1987; and Buchau and Reinisch 1991]. There may be some driving technological
needs (e.g., commercial or military uses) in some of these efforts, but many are simply
basic research efforts aimed at better understanding the manifestations of plasma physics
provided by nature.

1/4/2016 DMK

Document Created: 2016-01-04 11:42:20
Document Modified: 2016-01-04 11:42:20

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