Effect of auroral absorption on meteor reflection frequency

Details Effect of auroral absorption on meteor reflection frequency Effect of auroral absorption on meteor reflection frequency

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ge%26ae..18..734z&link_type=abstract

Geomagnetizm i Aeronomiia, vol. 18, July-Aug. 1978, p. 734-737. In Russian.

Computer Science

Sound

Ionospheric Propagation, Ionospheric Sounding, Lower Ionosphere, Meteor Trails, Radio Echoes, Diurnal Variations, Ionospheric Disturbances, Radio Attenuation

Scientific paper

Results are discussed for measurements of meteor reflections at 40.3 MHz along a subauroral meteor line about 1050 km in length. Data obtained from an ionospheric vertical-sounding station are presented in histograms and plots illustrating the diurnal variation in meteor reflection frequency and variations in the ionospheric parameters foF2 and f(min) for several days of one month. The number of meteor reflections in the night and morning hours is found to decrease on perturbed days as a result of radiowave absorption in the lower ionosphere. The level of absorption in the lower ionosphere is estimated to be 4 to 8 dB for a frequency of 40 MHz during the morning and at night.

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