HRIR Instrument

Measurements and Applications

Cloud Observation, New development, prototype of operational IR imaging radiometers

Instrument Summary

Full Name
High Resolution Infrared Radiometer
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Geometry
Cross-track scanning
Instrument Technology
Sampling
Data Access
Data Format

Performance Summary

Resolution
8.5 km at s.s.p.
[Best Resolution: 8500m]
Swath
Cross-track, horizon-to-horizon by a 45° inclined mirror, 48 rounds/min, 7.8 km line-to-line for continuous coverage
Accuracy
Waveband
Single-channel IR radiometer, 3.4-4.2 ?m, temperature range 210-330 K, NE?T 1 K @ 260 K. In Nimbus-3 the band is dual, with a 0.7-1.3 ?m bandpass that dominated the signal during daylight
 

Instrument Missions

NIMBUS-1 - Nimbus 1 (1964 - 1964)
NIMBUS-2 - Nimbus 2 (1966 - 1969)

Instrument Measurements