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Eutelsat W3A
NamesEutelsat 12 West D
Eutelsat 31B
Eutelsat 7A
Eutelsat W3A
Mission typeCommunications
OperatorEutelsat S.A.
COSPAR ID2004-008A
SATCAT no.28187
Mission duration15 years (planned)
Spacecraft properties
SpacecraftEUTELSAT W3A
Spacecraft typeEurostar
ManufacturerEADS Astrium
Launch mass4,300 kg (9,500 lb)
Dry mass2,000 kg (4,400 lb)
Power9.6 kW
Start of mission
Launch date15 March 2004, 23:06:00 UTC [1]
RocketProton-M / Briz-M
Launch siteBaikonur Cosmodrome, Site 81/24
ContractorKhrunichev State Research and Production Space Center
Entered service15 May 2004
Orbital parameters
Reference systemGeocentric orbit [2]
RegimeGeostationary orbit
Longitude7° East
Band40 transponders:
38 Ku-band
2 Ka-band
Coverage areaEurope, North Africa, sub-Saharan Africa, Middle East

Eutelsat W3A is a communications satellite owned by Eutelsat S.A.. Placed at 7° East, it broadcasts TV channels, radios and other digital data. It entered operational service on 15 May 2004.

Built by EADS Astrium on a Eurostar-3000S satellite bus, it is equipped with 42 Ku-band transponders broadcasting in Europe, North Africa, the Middle East and sub-Saharan Africa and 2 Ka-band transponders.

It was launched on 15 March 2004 at 23:06:00 UTC by Proton-M / Briz-M from the Baikonur Cosmodrome. It had a launch mass of 4,300 kg (9,500 lb). Its estimated lifespan is 15 years.

It is equipped with Skyplex technique for multiplexing on board. It is the first geostationary satellite to use a lithium-ion battery.

It is used by the European Broadcasting Union's Eurovision network. It broadcasts the Turkish DigiTurk offerings and numerous Internet connection services such as OpenSky, HughesNet Europe or Skylogic.

YouTube Encyclopedic

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  • Digitürk (Eutelsat 7A) ve Hot Bird tek antende


Eutelsat 7A

In December 2011, Eutelsat announced, that their satellite assets will be renamed under a unified brand name effective from March 2012. This satellite became Eutelsat 7A.


  1. ^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 20 April 2021.
  2. ^ "EUTELSAT 7A (Eutelsat W3A)". Retrieved 20 April 2021.

External links

This page was last edited on 20 April 2021, at 21:14
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