Shulou(Shulou.com)11/24 Report--

CTOnews.com Sept. 20 news, the State Administration of Radio, Film and Television website today released the 2022 major cities across the country's autumn satellite Ling time forecast.

From September 26 to October 16, 2022, satellites used for radio and television program transmission in China will enter the solar transit period, when the reception of satellite radio and television programs will be affected, according to the regulatory center. CTOnews.com has learned that satellites including "China Star 6B", "China Star 6C", "China Star 6D", "China Star 9", "China Star 9B", "Asia Pacific 5C", "Asia Pacific 6C", "Asia 6" and "Asia 7" will be affected.

Sun Ling phenomenon: when the direct broadcast satellite is located between the sun and the earth, and is in a straight line formed by the sun and the ground satellite receiving antenna, the interference caused by the solar light wave to the satellite downlink signal is called the sun Ling phenomenon. Riling is a natural phenomenon, which generally occurs in a certain period of time before and after the Spring Equinox in spring and the Autumn Equinox in autumn. The impact of Riling on satellite TV users has two periods in a year, each time is about 15 days. Sun Ling usually occurs around noon, ranging from a few minutes to 20 minutes at a time. The specific time is related to the orbit position of the satellite, the longitude and latitude of the ground satellite receiving antenna and the aperture of the ground satellite antenna. therefore, the time of satellite ground receiving stations in different regions affected by solar ice will be different.

The impact of Sun Ling phenomenon on satellite radio and television reception: when the Sun Ling phenomenon occurs, satellite TV users may see mosaics or even signal interruption in the TV picture, which is a normal phenomenon and users do not need to worry. TV pictures generally return to normal after a few minutes, up to a maximum of 20 minutes.

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