Seeing Which Way the Wind Blows

A new Doppler radar takes flight on this summer's HS3 mission.

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The HIWRAP dual frequency Doppler radar will hang under the Global Hawk. On the left, the golden disc is the antenna and on the right, the two small white discs are the radar beam transmitters, one for each of two frequencies. The whole apparatus spins while flying.
Mission: 
HS3