Astra 1F 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 in

geostationary orbit A geostationary orbit, also referred to as a geosynchronous equatorial orbit''Geostationary orbit'' and ''Geosynchronous (equatorial) orbit'' are used somewhat interchangeably in sources. (GEO), is a circular geosynchronous orbit in altitud ...

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., ...

. It was launched in April 1996 to the

Astra 19.2°E Astra 19.2°E is the name for the group of Astra communications satellites co-located at the 19.2°East orbital position in the Clarke Belt that are owned and operated by SES based in Betzdorf, Luxembourg. Astra 19.2°E used to be commonly k ...

orbital slot initially to provide digital television and radio for

direct-to-home Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location. The signals are received via an outdoor parabolic antenna commo ...

(DTH) across Europe. The satellite originally provided two broadcast beams, of horizontal and vertical polarisation, for

Fixed Service Satellite Fixed-satellite service (short: FSS | also: fixed-satellite radiocommunication service) is – according to ''article 1.21'' of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as ''A radiocommunication se ...

(FSS) (10.70-10.95

GHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...

) and for Broadcast Satellite Service (BSS) (11.70-12.10 GHz) frequency bands. The FSS beams provide

footprints Footprints are the impressions or images left behind by a person walking or running. Hoofprints and pawprints are those left by animals with hoof, hooves or paws rather than foot, feet, while "shoeprints" is the specific term for prints made by ...

that cover essentially the same area of Europe – northern, central and eastern Europe, including Spain and northern Italy – while the BSS horizontal beam excludes Spain and extends further east, and the BSS vertical beam includes Spain and more of southern Italy but does not extend so far east. Within the footprints, television signals are usually received with a 60–80 cm dish.

References

External links

SES guide to receiving Astra satellites

SES guide to channels broadcasting on Astra satellites

OnAstra
- Official consumers/viewers' site
SES
- Official trade/industry site
SES Broadband website
{{Orbital launches in 1996 Astra satellites Communications satellites in geostationary orbit Satellites using the BSS-601 bus Satellite Internet access Spacecraft launched in 1996 1996 in Luxembourg Satellites of Luxembourg

See also

References

External links