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2. SPOT Satellite Messenger - Wikipedia

   en.wikipedia.org/wiki/SPOT_Satellite_Messenger

   SPOT Satellite Messenger. SPOT is a GPS tracking device that uses the Globalstar satellite network [1] to provide text messaging and GPS tracking (depending on the subscription type purchased). [2] [3] It has a coverage area that includes a large portion of the planet, with the exception of extreme northern and southern latitudes and parts of ...

3. Satellite phone - Wikipedia

   en.wikipedia.org/wiki/Satellite_phone

   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.

4. Broadband Global Area Network - Wikipedia

   en.wikipedia.org/wiki/Broadband_Global_Area_Network

   Broadband Global Area Network. The Broadband Global Area Network ( BGAN) is a global satellite network with telephony owned by Inmarsat using portable terminals. [1] The terminals are normally used to connect a laptop computer to broadband Internet in remote locations, although as long as line-of-sight to the satellite exists, the terminal can ...

5. Iridium Communications - Wikipedia

   en.wikipedia.org/wiki/Iridium_Communications

   Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation, a system of 75 satellites: 66 are active satellites and the remaining nine function as in-orbit spares. [2]

6. Global Positioning System - Wikipedia

   en.wikipedia.org/wiki/Global_Positioning_System

   All satellites broadcast at the same two frequencies, 1.57542 GHz (L1 signal) and 1.2276 GHz (L2 signal). The satellite network uses a CDMA spread-spectrum technique: 607 where the low-bitrate message data is encoded with a high-rate pseudo-random (PRN) sequence that is different for each satellite. The receiver must be aware of the PRN codes ...

7. Lynk Global - Wikipedia

   en.wikipedia.org/wiki/Lynk_Global

   Lynk Global is a company developing a satellite-to-mobile-phone satellite constellation that aims to provide a "cell tower in space" capability for global mobile phone service coverage, including in underserved rural areas without cellular coverage. Lynk has requested a license from the US Federal Communications Commission to launch up to ten ...