Observations of very-high-latitude ionospheric irregularities with the Goose Bay HF (high frequency) radar

Technical Report · Fri Jun 07 04:00:00 EDT 1985

OSTI ID:5514414

Greenwald, R A; Baker, K B

The Goose Bay HF radar is a sophisticated instrument capable of providing detailed information on very-high-latitude E- and F-region ionospheric electron-density irregularities which act as a source of clutter on OTH radar systems. Through the use of two parallel phased-array antennas, this instrument is able to image the location of these irregularities within a three-dimensional volume covering much of northeastern Canada and Greenland. It is also capable of following the temporal variability of these irregularities as well as determining unambiguously the Doppler shift and broadening of radar signals scattered by them. This paper presents initial results with a single phased-array antenna, which represent typical examples of the spatial intensity distribution of these irregularities at different local times. Examples are presented of Doppler spectra of the irregularities at different local times. Data of this type are of appreciable value in ascertaining the techniques that must be utilized to improve clutter mitigation on high-latitude radar systems.

• Research Organization: Johns Hopkins Univ., Laurel, MD (USA). Applied Physics Lab.
• OSTI ID: 5514414
• Report Number(s): AD-A-185534/5/XAB
• Country of Publication: United States
• Language: English

Related Subjects

640201* -- Atmospheric Physics-- Auroral
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CANADA
DISTRIBUTION
DOPPLER EFFECT
E REGION
EARTH ATMOSPHERE
ELECTRON DENSITY
F REGION
GEOGRAPHICAL VARIATIONS
GREENLAND
IONOSPHERE
LATITUDE EFFECT
NORTH AMERICA
PLANETARY IONOSPHERES
SPATIAL DISTRIBUTION
SPECTRA
VARIATIONS
VOLUME