WMO OSCAR | Satellite: NOAA-4

Satellite: NOAA-4

Satellite details

Acronym	NOAA-4
Full name	National Oceanic and Atmospheric Administration - 4
Satellite Description	5th flight unit of the NOAA/ITOS programme. Main mission: cloud imagery and temperature profiling. Significant contribution to Space weather.
Mass at launch	340 kg	Dry mass
Power
Data access link	no link provided
Data access information	Selected global data available from NOAA. Real-time availability of images in full resolution (by HRPT) and reduced resolution (by modified APT).
Orbit	Sunsynchronous orbit	Altitude	1450 km
ECT	14:30 asc

Space agency	NOAA , NASA
Status	Inactive
Details on Status (as available)
Launch	15 Nov 1974	EOL	18 Nov 1978
Last update:	2015-07-28

Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

NOAA 3rd generation / Improved TIROS Operational System
- ITOS-1 (TIROS-M) (1970 - 1971)
- NOAA-1 (1970 - 1971)
- NOAA-2 (1972 - 1975)
- NOAA-3 (1973 - 1976)
- NOAA-4 (1974 - 1978)
- NOAA-5 (1976 - 1979)

Satellite Payload

All known Instruments flying on NOAA-4

Acronym	Full name
SPM	Solar Proton Monitor
SR	Scanning Radiometer
VHRR	Very High Resolution Radiometer (in LEO)
VTPR	Vertical Temperature Profile Radiometer

Satellite payload

All known instruments flying on NOAA-4

Instrument	Full name	Start date	EOL date	Status
SPM	Solar Proton Monitor	Feb 1975 *	18 Nov 1978	N/A
SR	Scanning Radiometer	Feb 1975 *	18 Nov 1978	N/A
VHRR	Very High Resolution Radiometer (in LEO)	Feb 1975 *	18 Nov 1978	N/A
VTPR	Vertical Temperature Profile Radiometer	Feb 1975 *	18 Nov 1978	N/A

* The information in this field is estimated or assumed