The footprint of a
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 ...
is the ground area that its
transponder
In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend word, blend of ''transmitter'' and ''responder''.
In air navigation or radio frequency identification, a T ...
s offer
coverage
Coverage may refer to:
Filmmaking
* Coverage (lens), the size of the image a lens can produce
* Camera coverage, the amount of footage shot and different camera setups used in filming a scene
* Script coverage, a short summary of a script, wri ...
, and determines the
satellite dish
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite
A communications satellite is an artificial satellite that relays and amplifies radi ...
diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for ...
required to receive each transponder's signal. There is usually a different map for each transponder (or group of transponders), as each may be aimed to cover different areas.
Footprint maps usually show either the estimated minimum
satellite dish
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite
A communications satellite is an artificial satellite that relays and amplifies radi ...
diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for ...
required or the signal strength in each area measured in
dBW.
External links
Links to fleet information and footprintsfrom SES.
from
Intelsat
Intelsat S.A. (formerly INTEL-SAT, INTELSAT, Intelsat) is a multinational satellite services provider with corporate headquarters in Luxembourg and administrative headquarters in Tysons Corner, Virginia, United States. Originally formed as In ...
for their fleet of satellites.
Links to interactive mapsfor
SES World Skies
SES World Skies was a short lived company formed as a result of the merger between the two SES subsidiaries, ''SES Americom'' and ''SES New Skies''. The company was merged into its parent company, SES S.A. in 2011.
History
SES Americom
...
's fleet of satellites.
Link to mapsfor
Russian Satellite Communications Company
Federal State Unitary Enterprise Satellite Communications (russian: ФГУП «Космическая связь») or Russian Satellite Communications Company is the main state operator of communications satellites. It is the Russian operator ...
satellites
Link to satellite footprintsfrom SatBeams for Geostationary satellites
Satellite footprintsas images and on Google Earth
Satellites
Satellite broadcasting