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Instrument

APR-3
Airborne Third Generation Precipitation Radar

The Airborne Third Generation Precipitation Radar (APR-3) is an airborne Doppler, dual-polarization radar. It provides measurements of Doppler velocity and radar reflectivity across three frequencies: 13.4 GHz, 35.6 GHz, and 94 GHz. These measurements can be used to derive vertical structures of clouds and precipitation properties. APR-3 has a horizontal resolution of 700-800 m at an altitude of 10 km and vertical resolution of 60 m. The APR-3 was developed by NASA Jet Propulsion Laboratory (JPL) and replaced the APR-2.

Image of the APR-3 during the CPEX-AW campaign
NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Radar
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Full Column Profile
Variable
0.7-0.8 km, 60 m
13.4 GHz, 35.6 GHz, 94 GHz
External Linkhttps://doi.org/10.1117/12.579015
RADEX

Radar Definition Experiment (RADEX) for ACE Mission

2014—2015
Southeastern United States, North Carolina (NC); Olympic Peninsula, Washington (WA) State
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2 Deployments
· 30 Data Products

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