RESEARCH WORKS RELATED TO SOLAR RADIO EMISSION AND V.L.F. PROPAGATION IN THE LOWER IONOSPHERE.
Abstract
Contents: Report on operations; On the installation of very low frequency tracking stations at umuarama radio observatory: description of the system and initial results; Discussion on D-region modifications during sudden ionospheric disturbances, measured on phase and amplitude at very low frequencies; Approximated calibration curves for the Sao Paulo V.L.F. tracking receivers; A short note on 20 May 1966 annular solar eclipse effects on VLF propagation path Criggion-Sao Paulo; Computation of average amplitude of V.L.F. transmissions; Comments on measuring methods with a new 7 GHz solar radio polarimeter: first results relative to solar activity from 30 October to 14 November 1966, including 12 November eclipse event; Relevant technical features of a new solar radio polarimeter working on 4.28-cm wavelength; Calculations of apparent sky temperatures and of tropospheric absorption on solar radiation at 4.28-cm wavelength; A description of trapped particle distribution at 900-km of altitude near the South Atlantic geomagnetic anomaly; Influence of zenith distance on atmospheric absorption due to water vapor and oxygen at the frequency of 17 GHz.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1967
- Accession Number
- AD0647794
Entities
People
- Pierre Kaufmann