The Development Of An Advanced Microwave Precipitation Radiometer For Future Airborne Measurements

J. A. Galliano; R. H. Platt

doi:10.1117/12.960526

14 August 1989 The Development Of An Advanced Microwave Precipitation Radiometer For Future Airborne Measurements

J. A. Galliano, R. H. Platt

Proceedings Volume 1101, Millimeter Wave and Synthetic Aperture Radar; (1989) https://doi.org/10.1117/12.960526
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

This paper describes the development and preliminary testing of an imaging passive microwave radiometer operating in the 10 to 85 GHz range specifically for precipitation retrieval and mesoscale storm system studies from a high altitude ER-2 aircraft. The instument is referred to as the Advanced Microwave Precipitation Radiometer (AMPR). The primary goal of AMPR is the exploitation of the scattering signal of precipitation at frequencies near 10, 19, 37, and 85 GHz to unambiguously retrieve precipitation and storm structure intensity information in support of space sensors, as well as, storm-related field experiments onboard the ER-2 in 1989/90. A unique feature of the AMPR instrument is the multi frequency feedhorn (identical to the SSM/I space instrument) used at 19.35, 37.0, and 85.5 GHz. The feedhom provides dual polarization ports at each of these three frequencies. The 10.7 GHz channel uses a separate horn/lens antenna with single polarization only. The AMPR scanner is designed to image over an angular range of ±40° about the nadir position. The AMPR will be used onboard the ER-2 to perform underflights of the SSM/I space instrument with enough spatial coverage to make meaningful comparisons of the data. The AMPR will be the only aircraft sensor with the capability to image at the same frequencies as the SSM/I and at an altitude high enough for precipitation studies over land.

Citation Download Citation

J. A. Galliano and R. H. Platt "The Development Of An Advanced Microwave Precipitation Radiometer For Future Airborne Measurements", Proc. SPIE 1101, Millimeter Wave and Synthetic Aperture Radar, (14 August 1989); https://doi.org/10.1117/12.960526

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