Inmarsat-4 F3 is a communications I-4 satellite operated by the British satellite operator Inmarsat. It was launched into a geosynchronous orbit at 22:43 GMT on 18 August 2008,[1] by a Proton-M/Briz-M Enhanced carrier rocket. It is currently located at 97.65° West longitude, providing coverage of the Americas.[2] It entered service on 7 January 2009.
Like the earlier Inmarsat-4 F1 and F2 satellites, Inmarsat-4 F3 was constructed by EADS Astrium, using a Eurostar E3000bus. It has a mass of 5,960 kilograms, and is expected to operate for 13 years.[3] It was originally slated for launch using an Atlas V 531, but was transferred to Proton due to a large backlog of Atlas launches.
In the United States, Inmarsat ground stations are licensed to operate at 1525-1559 MHz and 1626.5-1660.5 MHz. The 1544-1545 MHz and 1645.5-1646.5 MHz bands are reserved for safety and distress communications.[2]
Referencesedit
^. International Launch Services. 2008-08-19. Archived from the original on 2008-09-23. Retrieved 2009-02-15.
^ ab. US Federal Communications Commission. Archived from the original on March 23, 2014. Retrieved March 22, 2014.
^Krebs, Gunter. "Inmarsat-4". Gunter's Space Page. Retrieved 2009-02-15.
inmarsat, communications, satellite, operated, british, satellite, operator, inmarsat, launched, into, geosynchronous, orbit, august, 2008, proton, briz, enhanced, carrier, rocket, currently, located, west, longitude, providing, coverage, americas, entered, se. Inmarsat 4 F3 is a communications I 4 satellite operated by the British satellite operator Inmarsat It was launched into a geosynchronous orbit at 22 43 GMT on 18 August 2008 1 by a Proton M Briz M Enhanced carrier rocket It is currently located at 97 65 West longitude providing coverage of the Americas 2 It entered service on 7 January 2009 Inmarsat 4 F3OperatorInmarsatCOSPAR ID2008 039ASATCAT no 33278Spacecraft propertiesBusEurostar E3000ManufacturerEADS AstriumLaunch mass5 960 kilograms 13 140 lb Start of missionLaunch date18 August 2008 2008 08 18 RocketProton M Briz MLaunch siteBaikonur 200 39ContractorILSEntered service7 January 2009Orbital parametersReference systemGeocentricRegimeGeostationaryLongitude98 West Like the earlier Inmarsat 4 F1 and F2 satellites Inmarsat 4 F3 was constructed by EADS Astrium using a Eurostar E3000 bus It has a mass of 5 960 kilograms and is expected to operate for 13 years 3 It was originally slated for launch using an Atlas V 531 but was transferred to Proton due to a large backlog of Atlas launches In the United States Inmarsat ground stations are licensed to operate at 1525 1559 MHz and 1626 5 1660 5 MHz The 1544 1545 MHz and 1645 5 1646 5 MHz bands are reserved for safety and distress communications 2 References edit ILS PROTON SUCCESSFULLY LAUNCHES INMARSAT 4 F3 SATELLITE International Launch Services 2008 08 19 Archived from the original on 2008 09 23 Retrieved 2009 02 15 a b Inmarsat List US Federal Communications Commission Archived from the original on March 23 2014 Retrieved March 22 2014 Krebs Gunter Inmarsat 4 Gunter s Space Page Retrieved 2009 02 15 External links edithttp www inmarsat com corporate our satellites index htm Archived 2013 02 12 at the Wayback Machine https web archive org web 20120927021531 http www boeing com news releases 2005 q4 nr 051108s html http www as northropgrumman com products aa inmarsat index html Archived 2012 07 06 at the Wayback Machine Retrieved from https en wikipedia org w index php title Inmarsat 4 F3 amp oldid 1143082134, wikipedia, wiki, book, books, library,
