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Computing and Comms in the (Sur)Real World

In this exploration of satellite communications, I share my experiences with Inmarsat services during my travels. I discuss the various types of connections available, including analogue and digital options for voice, fax, and data. The costs of different services such as HSD (High-Speed Data) and the implications of using Land Earth Stations (LES) and Mobile Earth Stations (MES) are examined. Understanding these technologies and costs can enhance connectivity in remote locations, making them invaluable for travelers and businesses alike.

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Computing and Comms in the (Sur)Real World

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Presentation Transcript

  1. Computing and Comms in the (Sur)Real World (What I did on my holidays!) Kevin Twidle

  2. What and Where?

  3. Inmarsat Services Inmarsat A - Analogue Phone/Fax/Telex/HSD Inmarsat B - Digital Phone/Fax/Telex/Data/HSD Inmarsat M - Digital Phone/Fax/Data Inmarsat C - Digital Store & Forward Acronyms LES - Land Earth Station MES - Mobile Earth Station Connection is always: LES <=> Satellite <=> MES Costs ($/min) Phone HSD/64000bps A 7.64 14.63 B 4.25 18 M 4.45 C $0.23/256 bits $7.36/1K bits Costs/System A £20,000 + HSD B £17,000 inc HSD M £2,000 - £2,500 C £2000

  4. Inmarsat

  5. The Trips

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