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- TIROS-7 Objectives: Continue research and development of the meteorological satellite information system; obtain improved data for use in weather forecasting, especially during hurricane season. Description: The spacecraft was 42 inches in diameter, 19 inches high and weighed 270 pounds. The craft was made of aluminum alloy and stainless steel then covered by 9200 solar cells. The solar cells served to charge the nickel-cadmium (nicad) batteries. Three pairs of solid-propellant spin rockets were mounted on the base plate. TIROS-7 was also designed to make infrared measurements of reflected solar and terrestrial radiation over selected spectrum ranges and gather data on electron density and temperature in space. To accomplish this new expanded mission, TIROS-7 carried two wide-angle camera systems, a magnetic tape recorder, and infrared experimentation equipment. The electron density and temperature probes were the same as the ones flown on board Explorer 17. The spacecraft operating system still included the infrared horizon scanner, the north direction indicator, despin weights and spinup rockets, and the magnetic attitude control system. TIROS-7 was deactivated after furnishing over 30,000 cloud photographs; it lasted the longest of the TIROS series thus far, 1809 days. Experiments on Tiros-7: Low-Resolution Omnidirectional Radiometer Scanning Radiometer Langmuir Probe Television Camera System Additional information available at http://nasascience.nasa.gov/missions/tiros
[Summary provided by NASA]
Group: Platform_Details Entry_ID: TIROS-7 Group: Platform_Identification Platform_Category: Earth Observation Satellites Platform_Series_or_Entity: TIROS Short_Name: TIROS-7 Long_Name: Television Infrared Operational End_Group Group: Synonymous_Platform_Names Short_Name: TIROS G Short_Name: 00604 End_Group Group: Platform_Associated_Instruments Short_Name: SR End_Group Group: Orbit Orbit_Inclination: 58.2 deg Period: 88.3 min Perigee: 188 km Apogee: 194 km End_Group Creation_Date: 2007-11-14 Online_Resource: http://nasascience.nasa.gov/missions/tiros Online_Resource: http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1963-024A Sample_Image: http://www.cira.colostate.edu/cira/RAMM//hillger/TIROS-7_cover.jpg Group: Platform_Logistics Launch_Date: 1963-06-19 Launch_Site: Cape Canaveral/Kennedy Space Center, USA Primary_Sponsor: USA/NASA End_Group End_Group
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