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Coverage of Earth by the Iridium satellites, which are arranged in 6 orbits of 11 satellites each. Animation shows approximately 10 minutes. The Iridium satellite constellation provides L band voice and data information coverage to satellite phones, satellite messenger communication devices and integrated transceivers.
Most commercial voice and some data mobile satellite services are provided by systems operating in the L-band by Iridium, Inmarsat, Globalstar and Thuraya.The L-band spectrum allocated for MSS is between 1.5 and 2.5 GHz, with the upper portion often referred to as the S-band.
This table contains examples of downlink frequency assignments; Satellite Frequency Band Terra: 8212.5 MHz: 8175-8215 MHz METEOROLOGICAL-SATELLITE SERVICE Earth exploration-satellite service Aqua: 8160 MHz: 8025-8175 MHz: Earth exploration-satellite service NOAA 17,18 1707 MHz 1700-1710 MHz: Meteorological-satellite service: ERS-2 (High rate ...
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 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. [ 2 ]
Satellite communications also provide connection to the edges of Antarctica and Greenland. Other land use for satellite phones are rigs at sea, a backup for hospitals, military, and recreation. Ships at sea, as well as planes, often use satellite phones. [37] Satellite phone systems can be accomplished by a number of means.
Leveraging upgraded satellite constellation, the new broadband service offering is likely to fortify Iridium's (IRDM) market presence with improved maritime and land-mobile applications.
Iridium Communications satellite phones use frequencies between 1616 and 1626.5 MHz [4] to communicate with the satellites. Iridium Communications 2-way messaging service Snapdragon Satellite will utilize frequencies in the L Band as well. Inmarsat and Ligado Networks (formerly LightSquared) terminals use frequencies between 1525 and 1646.5 MHz.
Iridium satellite constellation; I. Iridium 7; Iridium 25; Iridium 33; Iridium 95 This page was last edited on 2 December 2020, at 05:10 (UTC). Text is available ...