Cosmic noise observations at high radio frequencies

Details Cosmic noise observations at high radio frequencies Cosmic noise observations at high radio frequencies

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982rarlr..28..387k&link_type=abstract

Radio Research Laboratories, Review (ISSN 0033-801X), vol. 28, June 1982, p. 387-397. In Japanese, with abstract in English.

Physics

Cosmic Noise, High Frequencies, Japanese Spacecraft, Noise Measurement, Galactic Radiation, Noise Temperature

Scientific paper

Instrumentation on-board the Japanese ISS-b satellite recorded the average galactic radio noise at the frequencies 5, 10, and 25 MHz and noise levels from the galactic center and anticenter at 2.5, 5, 10, and 25 MHz. The location of the galactic center was determined by radio occultations whenever the satellite reached a certain position in its 1100 km circular orbit. The average radio noise was within 480,000 K of 1,710,000 K, within 105,000 K of 415,000 K, and within 10,700 K of 34,700 K for the 5, 10, and 25 MHz bands, respectively. The noise generated by the center was 2.2-3.5 dB higher than that of the anticenter in the HF range measured.

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