VSAT & Satellite Links
Interactive toolsNasa – J-Trak 3D – satellites positon in real-time
http://science.nasa.gov/RealTime/JTrack/3D/JTrack3D.html
fourmilab – View from satellite – the earth viewed from each satellite
http://www.fourmilab.ch/earthview/satellite.html
For professionnals : Link Budget Calculation
http://www.satsig.net/linkbugt.htm
About existing geostationnary satellites
TSE – Satellites Encyclopedia
http://www.tbs-satellite.com/tse
Data Base 2.500 satellites in C & Ku-bands – footprints incl. antenna sizes
Satellites, positions, frequencies, TV channels
Satellites News
Basic courses
Basics of the geostationary orbit
http://celestrak.com/columns/v04n07/
To understand everything about geostationary orbit
http://members.aol.com/geostat2/
The site of the International Engeeneering Consortium (see : radio protocols)
Technologies of Spread Spectrum
Space Segment Requests & Offers
Satellite Capacity Trading Platform
Internet
The Internet Bakbone – Providers, Maps of main networks
