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Instrument details
Acronym
SAMS
Full name
Stratospheric and Mesospheric Sounder
Purpose
Stratospheric and mesospheric profiles of temperature, CH4, CO, CO2, H2O, N2O and NO
Short description
Pressure-modulated correlation spectrometer with 9 cells for: temperature and CO2 (4.3 and 15 μm), CO (4.7 μm), CH4 and N2O (7.7 μm), NO (5.3 μm) and H2O (2.7 μm and 25-100 μm). Spectral resolution about 5 cm-1
Background
Follow-on of SCR flown on Nimbus-4/5 and PMR flown on Nimbus-6. Now the scanning is limb instead of nadir
Scanning Technique
Limb scanning, both vertically (5-km steps) and in azimuth (100 km)
Resolution
Vertical: 10 km, horizontal: 300 km along-view
Coverage / Cycle
Global in about 3 days for cells of 300 km side
Mass
23.6 kg
Power
20 W
Data Rate
25 kbps
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
1979 to 1994-08-01
Last update:
2017-01-17
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 Limb sounders Limb sounder
WIGOS Subcomponents
No WIGOS subcomponents have been defined.
Mission objectives
No mission objectives have been defined.
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: SAMS