Astra 2G
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Astra 2G is one of the Astra
communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. C ...
s owned and operated by
SES SES, S.E.S., Ses and similar variants can refere to: Business and economics * Socioeconomic status * Scottish Economic Society, a learned society in Scotland * SES, callsign of the TV station SES/RTS (Mount Gambier, South Australia) * SES S.A., ...
, launched to the
Astra 28.2°E Astra 28.2°E is the name for the group of Astra communications satellites co-located at the 28.2° East position in the Clarke Belt that are owned and operated by SES based in Betzdorf, Luxembourg. It is one of the major TV satellite positions s ...
orbital position on 27 December 2014, at 21:37:49 UTC from
Baikonur Cosmodrome The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...
. Astra 2G is positioned at 28.5° East (part of the Astra 28.2°E orbital position) and is the last of three "second generation" satellites launched to this position to replace the first generation
Astra 2A Astra 2A is one of the Astra communications satellites owned by Société Européenne des Satellites. Launched in 1998 into the 28.2° East orbital position, half its expected end-of-life capacity of 28 transponders were pre-booked by BSkyB, w ...
,
Astra 2B Astra 2B is one of the Astra communications satellites owned and operated by Société Européenne des Satellites. Launched in September 2000 to join Astra 2A at the Astra 28.2°E orbital position providing digital television and radio broad ...
,
Astra 2C Astra 2C is one of the Astra communications satellites owned and operated by Société Eurpéenne des Satellites. Designed to join Astra 2A and Astra 2B at the Astra 28.2°E orbital position providing digital television and radio broadcast s ...
and
Astra 2D Astra 2D is one of the Astra communications satellites owned and operated by Société Européenne des Satellites (SES), and located at 28.2° East in the geostationary orbit until June 2015. It is a Hughes Space and Communications HS-376HP ...
satellites originally positioned there between 1998 and 2001, and it joined
Astra 2E Astra 2E is one of the Astra communications satellites owned and operated by SES S.A., launched to the Astra 28.2°E orbital position on 30 September 2013 after a 10-week delay caused by launcher problems. The satellite provides free-to-air ...
and
Astra 2F Astra 2F is one of the Astra communications satellites owned and operated by SES S.A., launched in September 2012 to the Astra 28.2°E orbital position. The satellite provides free-to-air and encrypted direct-to-home (DTH) digital television ...
launched in 2013 and 2012, respectively.


Market

Astra 2G carries both
Ku-band The Ku band () is the portion of the electromagnetic spectrum in the microwave range of frequencies from 12 to 18 gigahertz (GHz). The symbol is short for "K-under" (originally german: Kurz-unten), because it is the lower part of the ori ...
and
Ka-band The Ka band (pronounced as either "kay-ay band" or "ka band") is a portion of the microwave part of the electromagnetic spectrum defined as frequencies in the range 26.5–40 gigahertz (GHz), i.e. wavelengths from slightly over one centime ...
payloads and will deliver broadcast, VSAT and broadband services to Europe, the
Middle East The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...
and
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
, and will also provide the ability to connect
West Africa West Africa or Western Africa is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Maurit ...
to Europe via Ka-band.''ASTRA 2G''
SES Fact Sheet January 2015 Accessed January 3, 2014
The Astra 28.2° East position was established in 1998 to provide
digital television Digital television (DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. At the time of its development it was considered an innovative adva ...
,
digital radio Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services. Types In digital broadcasting syst ...
and multimedia services to the United Kingdom and Ireland, and a major part of Astra 2G's mission is to continue, extend and backup this provision. Along with Astra 2E and Astra 2F it will deliver programming to almost 13 million satellite homes, over 3 million cable homes, and 700,000 Internet Protocol television (IPTV_ homes in the United Kingdom and Ireland, in particular for channels from the major United Kingdom digital satellite television platforms, BSkyB and
Freesat Freesat is a British free-to-air satellite television service, first formed as a joint venture between the BBC and ITV plc and now owned by Digital UK. The service was formed as a memorandum in 2007 and has been marketed since 6 May 2008. Free ...
. Astra 2G also supports
SATMED Satmed (or SATMED) is a satellite-based eHealth communications platform, in particular for provision of eHealth to remote, resource-poor areas of emerging and developing countries. It aims to provide services to non-governmental organisations (NGOs ...
, a satellite-based e-health platform developed by SES and supported by the
Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...
Government and the Ministry for Cooperation and Humanitarian Action which enables communication between doctors, enabling the transfer and exchange of medical knowledge and supporting tools for medical e-learning and e-teaching to improve public health in emerging and developing countries, particularly in isolated areas.


Broadcasting footprints

Astra 2G has three Ku-band
downlink In a telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. The link may be a dedicated physical link or a virtual circuit that uses one or more physical links or shar ...
beams and one Ka-band beam: * The European beam is centred on the
Benelux The Benelux Union ( nl, Benelux Unie; french: Union Benelux; lb, Benelux-Unioun), also known as simply Benelux, is a politico- economic union and formal international intergovernmental cooperation of three neighboring states in western Europe: ...
countries with reception from a dish available across most of Europe - west to the
Portuguese Portuguese may refer to: * anything of, from, or related to the country and nation of Portugal ** Portuguese cuisine, traditional foods ** Portuguese language, a Romance language *** Portuguese dialects, variants of the Portuguese language ** Portu ...
eastern border, east to
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...
, north to
Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...
and south to coast of
North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...
. * The UK beam provides maximum signal (for reception with dishes) over the whole United Kingdom, Ireland, Benelux and northern France with a sharp roll-off of signal level outside this region, in close approximation of the UK beam of
Astra 2D Astra 2D is one of the Astra communications satellites owned and operated by Société Européenne des Satellites (SES), and located at 28.2° East in the geostationary orbit until June 2015. It is a Hughes Space and Communications HS-376HP ...
. This enables channels to be broadcast
free-to-air Free-to-air (FTA) services are television (TV) and radio services broadcast in unencrypted form, allowing any person with the FTA Receiver, appropriate receiving equipment to receive the signal and view or listen to the content without requiring ...
but with reception effectively constrained to the
British Isles The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
, and has been the basis for the
Freesat Freesat is a British free-to-air satellite television service, first formed as a joint venture between the BBC and ITV plc and now owned by Digital UK. The service was formed as a memorandum in 2007 and has been marketed since 6 May 2008. Free ...
free-to-air United Kingdom platform. * The strongest signals of the West Africa beam (receivable on dishes) covers Côte d'Ivoire,
Burkina Faso Burkina Faso (, ; , ff, 𞤄𞤵𞤪𞤳𞤭𞤲𞤢 𞤊𞤢𞤧𞤮, italic=no) is a landlocked country in West Africa with an area of , bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the ...
,
Ghana Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in the west, Burkina Faso in the north, and To ...
,
Togo Togo (), officially the Togolese Republic (french: République togolaise), is a country in West Africa. It is bordered by Ghana to the west, Benin to the east and Burkina Faso to the north. It extends south to the Gulf of Guinea, where its c ...
,
Benin Benin ( , ; french: Bénin , ff, Benen), officially the Republic of Benin (french: République du Bénin), and formerly Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the north ...
,
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
and northern Cameroon, with additional "lobes" for parts of
Gabon Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Located on the equator, it is bordered by Equatorial Guinea to the northwest, Cameroon to the north ...
and Congo. Reception on larger dishes is available across the entire sub-Saharan west Africa region. * The Ka-band footprint is centred on France with coverage over all of western Europe.


History

The launch of Astra 2G was intended to be from the
Baikonur Cosmodrome The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...
by
International Launch Services International Launch Services, Inc. (ILS) is a joint venture with exclusive rights to the worldwide sale of commercial Angara and Proton rocket launch services. Proton launches take place at the Baikonur Cosmodrome in Kazakhstan while Angara is l ...
(ILS)
Proton-M The Proton-M, (Протон-М) GRAU index 8K82M or , is an expendable Russian heavy-lift launch vehicle derived from the Soviet-developed Proton. It is built by Khrunichev, and launched from sites 81 and 200 at the Baikonur Cosmodrome in Ka ...
launch vehicle A launch vehicle or carrier rocket is a rocket designed to carry a payload (spacecraft or satellites) from the Earth's surface to outer space. Most launch vehicles operate from a launch pad, launch pads, supported by a missile launch contro ...
a month earlier, on 28 November 2014 but technical problems with the launch vehicle caused it to be rolled back from the launch pad to undergo a component replacement. The satellite had arrived at Baikonur on 29 October 2014 after a delayed flight from Europe - an emergency landing of the transport aircraft in the city of
Ulyanovsk Ulyanovsk, known until 1924 as Simbirsk, is a city and the administrative center of Ulyanovsk Oblast, Russia, located on the Volga River east of Moscow. Population: The city, founded as Simbirsk (), was the birthplace of Vladimir Lenin (born ...
due to engine trouble required replacement of the aircraft's engine and a two-day delay. Finally launched successfully on 27 December 2014, at 21:37:49 UTC, the satellite was initially positioned at 21.0° East for three months and then tested at 43.5° East, before moving to the Astra 28.2° East position in June 2015. On 18 June 2015, the first six channels, including
ITV ITV or iTV may refer to: ITV *Independent Television (ITV), a British television network, consisting of: ** ITV (TV network), a free-to-air national commercial television network covering the United Kingdom, the Isle of Man, and the Channel Islan ...
and Channel 4, began broadcasting from Astra 2G, transferred from Astra 2E, Astra 2F and, in particular from
Eutelsat 28A Eutelsat 133 West A (formerly Eurobird 1, Eutelsat 28A, and Eutelsat 33C) is a Eutelsat operated Eurobird satellite, used primarily for digital television. It was launched in March 2001, and after a short period testing at 33°E, joined Eutelsat ...
, which was some two years beyond its expected end-of-life and operating with some transponders considerably under power. The final Eutelsat 28A channels, including the
Freesat Freesat is a British free-to-air satellite television service, first formed as a joint venture between the BBC and ITV plc and now owned by Digital UK. The service was formed as a memorandum in 2007 and has been marketed since 6 May 2008. Free ...
EPG data channel, transferred to Astra 2G on 29 June 2015.


Active transponders

Below is a list of the television channels broadcast to the UK and Ireland from active transponders on Astra 2G :


See also

* 2014 in spaceflight *
SES SES, S.E.S., Ses and similar variants can refere to: Business and economics * Socioeconomic status * Scottish Economic Society, a learned society in Scotland * SES, callsign of the TV station SES/RTS (Mount Gambier, South Australia) * SES S.A., ...
(satellite operator) * Astra (satellite family) *
Astra 28.2°E Astra 28.2°E is the name for the group of Astra communications satellites co-located at the 28.2° East position in the Clarke Belt that are owned and operated by SES based in Betzdorf, Luxembourg. It is one of the major TV satellite positions s ...
orbital position *
Astra 2E Astra 2E is one of the Astra communications satellites owned and operated by SES S.A., launched to the Astra 28.2°E orbital position on 30 September 2013 after a 10-week delay caused by launcher problems. The satellite provides free-to-air ...
( co-located satellite) *
Astra 2F Astra 2F is one of the Astra communications satellites owned and operated by SES S.A., launched in September 2012 to the Astra 28.2°E orbital position. The satellite provides free-to-air and encrypted direct-to-home (DTH) digital television ...
( co-located satellite)


References


External links


SES fleet information and map

Official SES site

Astra 2E Reception Overseas

Astra 2G Information and Photos
{{Orbital launches in 2014 Astra satellites Communications satellites in geostationary orbit Spacecraft launched in 2014 2014 in Luxembourg Satellites of Luxembourg Satellites using the Eurostar bus