- NOAA-4
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NOAA-4 
Illustration of an ITOS series satelliteOperator NOAA/NASA Mission type Weather satellite Launch date 15 November 1974 Launch vehicle Delta 2310 Launch site Vandenburg AFB Mission duration 15 November 1974 to 18 November 1978 COSPAR ID 1974-089A Mass 339.7 kilograms (749 lb) Orbital elements Inclination 101.7° Apoapsis 1,457 kilometres (905 mi) Periapsis 1,443 kilometres (897 mi) Orbital period 114.9 min Instruments Main instruments VHRR, VTPR, SR References: [1] NOAA-4, also known as ITOS-G was a weather satellite operated by the National Oceanic and Atmospheric Administration (NOAA). It was part of a series of satellites called ITOS, or improved TIROS.[2] NOAA-4 was launched on a Delta rocket on 15 November 1974. The launch carried two other satellites: AMSAT-OSCAR 7 and Intasat.[3] It remained operational for 1463 days until it was deactivated by NOAA on 18 November 1978.
References
- ^ "NASA/NSSDC NOAA-4 spacecraft details". http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1974-089A. Retrieved 2008-10-20.
- ^ Wade, Mark. "ITOS". Encyclopedia Astronautica. http://www.astronautix.com/craft/itos.htm. Retrieved 2008-10-20.
- ^ McDowell, Jonathan. "LAUNCHLOG". Jonathan's Space Report. http://planet4589.org/space/log/launchlog.txt. Retrieved 2008-10-20.
TIROS satellites TIROS 
TOS ITOS TIROS-M · NOAA-1 · ITOS-B · NOAA-2 · NOAA-3 · NOAA-4 · NOAA-5 · ITOS-ETIROS-N Adv. TIROS-N Categories:- Weather satellites
- United States spacecraft stubs
- Atmospheric science stubs
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