Tags: Artificialsatellite, Satellite.

Astra 4A is one of the Astra communications satellites owned and operated by SES at the Astra 5°E orbital slot providing digital television and radio broadcasts data and interactive services to Nordic countries eastern Europe and sub-Saharan Africa in the 11.70 GHz-12.75 GHz range of the Ku band and 18.8 GHz-21.75 GHz range of the Ka band.The satellite was launched in November 2007 as Sirius 4 by SES Sirius.

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