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Earth Science Technology Office

Precision Deployable Mast for the SWOT KaRIn Instrument

Completed Technology Project

Project Introduction

Design and prototype a lightweight, precision-deployable mast for the Ka-band Radar Interferometer (KaRIn) antennas in the Surface Water and Ocean Topography (SWOT) mission.
Performance goals are:
Azimuth pointing deployment precision:  < 0.11°
Elevation stability:  < 16 milli-arcsec
First mode frequency:  > 10 Hz
Technologies including a precision deployable mast containing a multi-joint cable driven precision latch mechanism and a pointing adjustment mechanism.

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