BackForwardInstrument:  SHOW 

Instrument details
Acronym SHOW
Full name Spatial Heterodyne Observations of Water
Purpose To measure water vapour in the upper layers of the troposphere.
Short description Limb viewing imager in 1362.00 – 1368.32 nm wavelength range.
Background New development
Scanning Technique Limb viewing with 63 km swath.
Resolution 0.13 km vertical resolution.
Coverage / Cycle
Mass Power Data Rate


Providing Agency CSA
Instrument Maturity Flown on an R&D satellite
Utilization Period: TBD
Last update: 2023-11-02
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 optical radiometer or spectrometer
  • Moderate resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • UV/VIS/NIR sounders, nadir and limb
  • UV/VIS/NIR scanning limb sounder
Mission objectives
Primary mission objectives
  • Integrated Water Vapour (IWV)
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.