Scatterometer

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SCUBAdude
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Scatterometer

#1 Postby SCUBAdude » Tue Jul 06, 2004 12:59 pm

How does this thing get it's data and how accurate is it? How often does it update? I know it measures surface winds, but just don't know how.
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Aquawind
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#2 Postby Aquawind » Tue Jul 06, 2004 2:20 pm

Sorry no time for more right now.. :wink:

http://winds.jpl.nasa.gov/aboutScat/index.cfm 8-)
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SCUBAdude
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#3 Postby SCUBAdude » Tue Jul 06, 2004 2:42 pm

Thanks Aquawind, that about cleared it up for me.
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#4 Postby Aquawind » Tue Jul 06, 2004 3:40 pm

More specifically QuickSCAT itself.. 8-)

http://winds.jpl.nasa.gov/missions/quik ... cfm#sci_ob


Radar Hardware:

Radar: 13.4 gigahertz; 110-watt pulse at 189-hertz pulse repetition frequency (PRF)

Antenna: 1-meter-diameter rotating dish that produces two spot beams, sweeping in a circular pattern

Mass: 200 kilograms

Power: 220 watts

Average Data Rate: 40 kilobits per second


Measurments:

1,800-kilometer swath during each orbit provides approximately 90-percent coverage of Earth's oceans every day.

Wind-speed measurements of 3 to 20 meters/second, with an accuracy of 2 meters/second; direction, with an accuracy of 20 degrees.

Wind vector resolution of 25 kilometers
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