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The C band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a portion of the electromagnetic spectrum in the microwave range of frequencies ranging from 4.0 to 8.0 gigahertz (GHz). [1] However, the U.S. Federal Communications Commission C band proceeding and auction, designated 3.7–4.2 GHz as C band. [2]
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 ...
Communications satellites use a wide range of radio and microwave frequencies. To avoid signal interference, international organizations have regulations for which frequency ranges or "bands" certain organizations are allowed to use. This allocation of bands minimizes the risk of signal interference. [3]
A typical satellite has up to 32 K u-band or 24 C-band transponders, or more for K u /C hybrid satellites. Typical transponders each have a bandwidth between 27 and 50 MHz. Each geostationary C-band satellite needs to be spaced 2° longitude from the next satellite to avoid interference; for K u the spacing can be 1°.
Only the components (or bins) within 5 kHz of the central frequency are examined, which is the range from 2.495 MHz to 2.505 MHz, and it is covered by 51 frequency components. There are 2,046 code phases as in the previous case, thus in total 51×2,046 = 104,346 complex frequency components will be examined.
Broadcast and Telecommunications Satellite C-band: Africa, Central Asia, the Middle East and Europe, Ku-band: Central Asia and Europe 7 February 2013, Ariane 5 ECA: 2014-09-11 49.0°E: 50.5°E NSS-5: Lockheed Martin AS-7000 Netherlands SES: Comsat: Americas, Africa, Europe, Atlantic Ocean: 23 September 1997 Ariane-42L: Hybrid C-band/Ku-band ...
C band may refer to: C band (IEEE), a radio frequency band from 4 to 8 GHz; C band (infrared), an infrared band from 1530 to 1565 nm (roughly 200 THz)
The effects are less pronounced on the lower frequency 'L' and 'C' bands but can become quite severe on the higher frequency 'Ku' and 'Ka' band. For satellite Internet services in tropical areas with heavy rain, use of the C band (4/6 GHz) with a circular polarisation satellite is popular. [46] Satellite communications on the K a band (19/29 ...