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Article
The mean coronal magnetic field determined from HELIOS Faraday rotation measurements
Coronal Faraday rotation of the linearly polarized carrier signals of the HELIOS spacecraft was recorded during the regularly occurring solar occultations over almost a complete solar cycle from 1975 to 1984. ...
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Article
White-light and radio sounding observations of coronal transients
A concerted search for coronal transients was conducted with the ‘Solwind’ coronagraph during the solar occultations of the two Helios spacecraft in October/November 1979. The polarization angle and bandwidth ...
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Article
The quasi-stationary coronal magnetic field and electron density as determined from a Faraday rotation experiment
Pioneer VI was launched into a circumsolar orbit on December 16, 1965, and was occulted by the sun in the latter half of November, 1968. During the occultation period, the 2292-MHz S-band telemetry carrier und...