The APR-2 is a dual-frequency (13 GHz & 35 GHz), Doppler, dual-polarization radar system. It has a downward looking antenna that performs cross track scans, covering a swath that is +/- 25 to each side of the aircraft path. Additional features include: simultaneous dual-frequency, matched beam operation at 13.4 and 35.6 GHz (same as GPM Dual-Frequency Precipitation Radar), simultaneous measurement of both like- and cross-polarized signals at both frequencies, Doppler operation, and real-time pulse compression (calibrated reflectivity data can be produced for large areas in the field during flight, if necessary).
Instrument Type
Measurements
Aircraft
Point(s) of Contact
Measurement Details
Range of Measurement
Vertical profile
Instrument Pointing
Cross-track scanning
Horizontal Resolution
800.00 m (at 12 km)
Measurement Wavelengths
Integration Details
Weight
258.00 kg
Additional Information
Notes
60 m range resolution
Publications
Sadowy, G.A., et al. (2003), Development of an advanced airborne precipitation radar, Microwave J., 46, 84-98.
