LRO's Mini-RF instrument was successfully turned on for the first time

A scan strip of the moon's south pole using a S-band radar frequency.

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On July 8, 2009, the Mini-RF instrument flying on NASA's Lunar Reconnaissance Orbiter was successfully turned on for the first time in flight. Mini-RF is a lightweight, synthetic aperture radar (SAR) that will scan both polar regions in a search for ice deposits. This particular strip – covering an area about 7.5 miles (12 kilometers) wide and 62 miles (100 kilometers) long – was acquired at S-band radar frequency over a region close to the moon's south pole. During the LRO mission, the Mini-RF instrument will also gather topographical data and test new communications technologies.