Inmarsat

Inmarsat provides telephony and data services to users worldwide, via special terminals which communicate to ground stations through twelve geosynchronous telecommunications satellites. Inmarsat's network provides reliable communications services to a range of governments, aid agencies, media outlets and businesses with a need to communicate in remote regions or where there is no reliable terrestrial network.

Inmarsat-C Monitoring

• Inmarsat std-C is a text messaging system that is in widespread use around the world, mostly among maritime users.
• A decoder for monitoring Inmarsat-C transmissions can be found at http://www.inmarsatdecoder.com/