An evaluation of hf ionospheric backscatter echoes. Technical information series
Technical Report
·
OSTI ID:7340354
The characteristics of hf radar echoes reflected from ionization irregularities aligned along the lines of force of the earth's magnetic field are discussed. The spatial-geographical extent of ionospheric backscatter echoes is estimated for an hf radar located in the midlatitudes with the antenna beam oriented toward the polar region. Utilizing experimental radar-ionospheric data acquired at frequencies between hf and uhf, an analysis is made of the amplitude and the cross-sectional area statistics of hf field-aligned echoes. The Doppler frequency variation, the frequency of occurrence, and the diurnal and seasonal variation of ionospheric backscatter echoes and their correlation with solar geophysical conditions are also discussed. (auth)
- Research Organization:
- General Electric Co., Syracuse, N.Y. (USA). Heavy Military Equipment Dept.
- OSTI ID:
- 7340354
- Report Number(s):
- AD-A-018229; R-75EMH19
- Country of Publication:
- United States
- Language:
- English
Similar Records
High-latitude ionospheric irregularities - a review of recent radar results
A search by radar backscatter, for irregularities produced by the Lagopedo F-region electron depletion releases. Final report 1 June--31 December 1977
UHF radar-backscatter enhancements from the topside ionosphere
Conference
·
Mon Oct 31 23:00:00 EST 1983
· Radio Sci.; (United States)
·
OSTI ID:6590649
A search by radar backscatter, for irregularities produced by the Lagopedo F-region electron depletion releases. Final report 1 June--31 December 1977
Technical Report
·
Tue Jan 31 23:00:00 EST 1978
·
OSTI ID:6473879
UHF radar-backscatter enhancements from the topside ionosphere
Technical Report
·
Thu May 03 00:00:00 EDT 1990
·
OSTI ID:6389257
Related Subjects
640201* -- Atmospheric Physics-- Auroral
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AURORAE
BACKSCATTERING
CORRELATIONS
CROSS SECTIONS
DAILY VARIATIONS
DISTURBANCES
DOPPLER EFFECT
EARTH ATMOSPHERE
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
F REGION
GEOMAGNETIC FIELD
IONIZATION
IONOSPHERE
MAGNETIC FIELDS
MEASURING INSTRUMENTS
RADAR
RADIATIONS
RADIOWAVE RADIATION
RANGE FINDERS
SCATTERING
SEASONAL VARIATIONS
SHORT WAVE RADIATION
SOLAR ACTIVITY
VARIATIONS
WAVE PROPAGATION
Ionospheric
& Magetospheric Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AURORAE
BACKSCATTERING
CORRELATIONS
CROSS SECTIONS
DAILY VARIATIONS
DISTURBANCES
DOPPLER EFFECT
EARTH ATMOSPHERE
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
F REGION
GEOMAGNETIC FIELD
IONIZATION
IONOSPHERE
MAGNETIC FIELDS
MEASURING INSTRUMENTS
RADAR
RADIATIONS
RADIOWAVE RADIATION
RANGE FINDERS
SCATTERING
SEASONAL VARIATIONS
SHORT WAVE RADIATION
SOLAR ACTIVITY
VARIATIONS
WAVE PROPAGATION