BackForwardInstrument:  SAM-II 

Instrument details
Acronym SAM-II
Full name Stratospheric Aerosol Measurement - II
Purpose Stratospheric aerosol profile
Short description Single channel, wavelength: 0.98-1.02 µm
Background New development
Scanning Technique Sun occultation
Resolution 300 km (horizontal), 1-2 km (vertical)
Coverage / Cycle N/A (few tens of events/day limited to latitudes above ~ 70°
Mass 17 kg Power 0.8 W Data Rate 4 kbps


Providing Agency NASA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1979 to 1994
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
  • Subcomponent 2
  • UV/VIS/NIR/IR/MW limb sounders
  • UV/VIS/NIR/IR occultation limb sounder
Mission objectives
No mission objectives have been defined.
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
Note: * Primary mission objective.