home *** CD-ROM | disk | FTP | other *** search
/ Eyewitness: Encyclopedia of Space & the Universe / DKMMSPAC.iso / spsa / coms / coms1p.png < prev    next >
Portable Network Graphic  |  1996-04-23  |  26KB  |  516x386  |  8-bit (131 colors)
Labels: text | screenshot
OCR: SATELLITE FOOTPRINTS A SATELLITE FOOTPRINT is an area on the Earth covered by Satellite the beam sent down from the antenna on a communications satellite. The shape of the satellite footprint needs to conform as closely as possible to the shape of the area to be served. This is achieved by the Satellite beam careful design of the antenna, Satellite or by the combination of footprint differently shaped beams. This The Earth method of communication is BLANKET COVERAGE used by television stations that The footprint method of broadcast to a specific market broadcast is used by television of satellite-dish owners. satellites operating in geostationary orbit. FACT FILE