The FCC’s final action on the RDSS, determining the technical standards for the system, were taken in April 1986. Geostar Corporation is scheduled to begin service to the contiguous United States in 1988. The Geostar System is multimodal; it can service and connect all transportation modes (aircraft, surface vehicles, boats, pedestrians, fleet dispatch headquarters and rescue services). Transceiver prices and user charges can be low because all services are provided by a single large computer installation, taking advantage of economies of scale in computing speed and memory capacity. That computer can also associate each service transaction with a charge added to the account of an individual user. Aircraft transceivers are mounted like other avionic equipment, either in the instrument panel or in an avionics bay. The lightest transceivers, for personal use,
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