BackForwardInstrument:  VCS-NA 

Instrument details
Acronym VCS-NA
Full name Vidicon Camera System - Narrow Angle
Purpose Cloud imagery
Short description Television camera, single VIS channel, 12.5° field of view
Background New development
Scanning Technique Fixed pointing from a spin-stabilised satellite viewing the Earth at appropriate times. Frame: 110x110 km2 when pointing normal to the Earth surface
Resolution 0.3 km at image center when pointing normal to the Earth surface
Coverage / Cycle Discontinue, in average one week for latitudes < 50°
Mass Power Data Rate

 

Providing Agency NASA
Instrument Maturity Demonstrated by simulations
Utilization Period: 1960 to 1961-12-24
Last update: 2017-03-27
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
Mission objectives
Primary mission objectives
  • Cloud cover
Secondary mission objectives
  • Sea-ice cover
  • Snow cover
Opportunity objectives
  • Fire fractional cover
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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
VariableRelevance for measuring this variableOperational limitationsExplanation
Cloud cover5 - marginalDaylight only.. Dense cloud only.VIS channel(s)
Fire fractional cover5 - marginalCloud sensitive.. Coarse spatial resolution.. Daylight only.VIS channels
Sea-ice cover5 - marginalCloud sensitive.. Daylight only.VIS channel(s)
Snow cover5 - marginalCloud sensitive.. Daylight only.VIS channel(s)