Voyager’s structure: How is it made? pt.2

Voyager’s structure: How is it made? pt.2

High-Gain Antenna

The HGA transmits data to Earth on two frequency channels (the downlink).

Imaging Science Subsystem (ISS)

The ISS is a modified version of the slow scan vidicon camera designs that were used in the earlier Mariner flights.


  • Observe and characterize the circulation of the planetary atmosphere,provide limits on atmospheric composition, and determine the wind velocities in the regions observed.
  • Obtain global multi-spectral coverage of all satellites; establish rotation rates and spin axis orientations.
  • study the surface morphology of Triton at spatial resolutions less than 2 km.
  • search for undiscovered satellites.

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