Astra 4A (originally Sirius 4) 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. == Overview == The satellite was launched in November 2007 as Sirius 4 by SES Sirius.
Astra 4A (originally Sirius 4) 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. == Overview == The satellite was launched in November 2007 as Sirius 4 by SES Sirius.
Source: Wikipedia "Astra 4A" · CC BY-SA 4.0
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