BackForwardInstrument:  TWERLE 

Instrument details
Acronym TWERLE
Full name Tropical Wind Energy-conversion and Reference Level Experiment
Purpose Study of the general circulation by a data collection system in association with high-altitude floating balloons
Short description Association of the Nimbus-6 IRLS (Interrogation, Recording and Location System) with 300 balloons free-floating at constant level (150 hPa) in the tropical atmosphere
Background Contribution to the First GARP Global Experiment (FGGE). Actually flown in advance (1975-1976) due to FGGE delay (actual: Dec. 1978 - Nov. 1979)
Scanning Technique N/A
Resolution N/A
Coverage / Cycle N/A
Mass 7 kg Power 12 W Data Rate 1 kbps


Providing Agency NASA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1975 to 1983
Last update: 2012-09-16
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
  • Other payload component
  • Data Collection System
WIGOS Subcomponents No WIGOS subcomponents have been defined.
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.

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Note: * Primary mission objective.