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t. e. A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military ...
Globalstar, Inc. Globalstar, Inc. is an American satellite communications company that operates a low Earth orbit (LEO) satellite constellation for satellite phone, low-speed data communications and earth observations. The Globalstar second-generation constellation consists of 25 low Earth orbiting (LEO) satellites.
The AN/PSN-13 Defense Advanced GPS Receiver ( DAGR; colloquially, " dagger ") is a handheld GPS receiver used by the United States Department of Defense and select foreign military services. It is a military-grade, dual-frequency receiver, and has the security hardware necessary to decode the encrypted P (Y)-code GPS signals .
The Bundeswehr is using different HF-radio systems. Elbit System HRM-7000, SEM 93 and the SDR radio MR6000A from Rohde & Schwarz, which is available in all branches of the armed forces. Bundeswehr is using the HRM-7000 transceiver of Telefunken / Elbit Systems at deployments abroad. The succedor is HRM-9000.
Satellite phone ( Inmarsat) in use in Nias, Indonesia, in April 2005 after the Nias–Simeulue earthquake. A satellite telephone, satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do.
Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, in contrast to a broadcast receiver, which ...
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