VLF-LF propagation measurements during the 11 August 1999 solar eclipse

Author

Fleury, R. ; Lassudrie-Duchesne, P.

Author_Institution

ENST de Bretagne, Brest, France

fYear

2000

fDate

2000

Firstpage

391

Lastpage

395

Abstract

A survey of the VLF-LF spectrum evolution has been conducted during the 11 August 1999 solar eclipse in the vicinity of the totality region. The measurements consisted of amplitude spectrum acquisitions in the frequency band 10-80 kHz with a repetition period of 1 min. The field strength received from various transmitters could thus be monitored both during the eclipse and control days. The time signatures of the eclipse appear to be highly variable according to the frequency and radio path characteristics. The main features of the eclipse signatures are interpreted by using a waveguide propagation model

Keywords

D-region; Earth-ionosphere waveguide; ionospheric disturbances; radiowave propagation; solar eclipses; 10 to 80 kHz; AD 1999 08 11; D region; VLF-LF propagation measurements; amplitude spectrum acquisitions; control days; eclipse signatures; frequency band; frequency characteristics; ionosphere disturbances; radio path characteristics; received field strength; repetition period; solar eclipse; time signatures; totality region; transmitters; waveguide propagation model;

fLanguage

English

Publisher

iet

Conference_Titel

HF Radio Systems and Techniques, 2000. Eighth International Conference on (IEE Conf. Publ. No. 474)

Conference_Location

Guildford

ISSN

0537-9989

Print_ISBN

0-85296-727-6

Type

conf

DOI

10.1049/cp:20000208

Filename

882752