It'll also find time for its studies, beaming VGA images snapped with an onboard camera back to Earth, to test a high-speed data transmitter.

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By cross-referencing the satellite data with a ground-based transmitter of precisely known location, the accuracy can be boosted tenfold or more.

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Every phone is actually being commanded by the nearest cell site, and the overhead data is constantly being transmitted, and this data telle the phone how much transmitter power to utilize as it polls the handset(RSSI).

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Without being prescriptive it is expected that a typical station configuration will consist of a primary tide gauge, two under water pressure sensor (secondary tide gauge), data logger, DCP geostationary satellite transmitter, modem, battery backup, solar panel, cables, mountings.

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This thing needs, at minimum, a processor, RAM, some kind of data storage, and at least one kind of transmitter.

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