- Earth Satellite Corporation
http://www.earthsat.com
EarthSat uses GIS and satellite remotely sensed data for worldwide weather and agricultural forecasts, flood prediction, petroleum, hydrologic and mineral resource exploration and environmental monitoring.
- Matthias Lehmann
http://home.pages.at/mlehmann/
Provides satellite information, software and calculations, mainly for television, audio, video, intercom transmissions, link budget calculation and SNG. Written for SNG and radio technicians (amateurs).
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