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Satbeams was started from the idea to combine the satellite footprints with Google Maps and as a result www.satbeams.com web portal went life in April 2008.. In January 2010, veteran sat-frequency web site SatcoDX was shut down after more than 30 years of being online and in order to maintain the service for SatCom/TV community they redirected traffic to SatBeams.
A whisk broom or spotlight sensor, also known as an across-track scanner, is a technology for obtaining satellite images with optical cameras. [1] It is used for passive remote sensing from space. In a whisk broom sensor, a mirror scans across the satellite ’s path ( ground track ), reflecting light into a single detector which collects data ...
This article contains a list with gratis (but not necessarily open source) satellite navigation (or "GPS") software for a range of devices (PC, laptop, tablet PC, mobile phone, handheld PC (Pocket PC, Palm)).
It must acquire each satellite signal and obtain that satellite's detailed orbital information, called ephemeris data. Each satellite broadcasts its ephemeris data every 30 seconds with validity of up to 4 hours. Hot or standby The receiver has valid time, position, almanac, and ephemeris data, enabling a rapid acquisition of satellite signals.
Satellite, aerial, close-range Images NASA: No IMAGINE Photogrammetry: Proprietary: Microsoft Windows: Standalone Semi-automatic Yes, multiple images Aerial, satellite, UAS Images 2009 Hexagon Geospatial Unknown Metashape (former PhotoScan) Proprietary: Linux, macOS, Microsoft Windows: Standalone Yes Yes, multiple images, cluster distributed ...
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This corresponds to an inter-satellite spacing of approximately 73 km. The major consideration for spacing of geostationary satellites is the beamwidth at-orbit of uplink transmitters, which is primarily a factor of the size and stability of the uplink dish, as well as what frequencies the satellite's transponders receive; satellites with ...
The first Satcom satellite, Satcom 1, was launched on 13 December 1975. The last satellite, Satcom K2, was placed into orbit on 27 November 1985 and was de-orbited in February 2002. Satcom was first superseded and then replaced by the GE series of satellites. The Satcom system passed to General Electric with its purchase of RCA in 1986.