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Instrument details
Acronym
ESMR (Nimbus-6)
Full name
Electrically Scanning Microwave Radiometer
Purpose
Observation of sea-ice, snow and precipitation
Short description
Single frequency, 37 GHz, dual polarisation. Planar antenna with axis oriented to 45° ahead of the satellite
Background
Evolution of the ESMR flown on Nimbus-5, to experience dual polarisation and conical scanning
Scanning Technique
Electronic, conical, swath 1270 km
Resolution
20 km (cross-track) x 45 km (along-track)
Coverage / Cycle
Near-global, once/day
Mass
28 kg
Power
40 W
Data Rate
400 bps
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
1975 to 1983-03-29
Last update:
2012-05-14
Detailed characteristics
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
future satellites
Instrument classification
Earth observation instrument Passive microwave radiometer Conical scanning microwave radiometer
WIGOS Subcomponents
No WIGOS subcomponents have been defined.
Mission objectives
Secondary mission objectives Wind speed (near surface) Opportunity objectives Cloud liquid water (CLW) Cloud liquid water (CLW) total column Show all Show fewer
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Instrument: ESMR (Nimbus-6)