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- 862550bd-0d5e-41db-83aa-38630b4459a8 definition "The AMPR is a total power passive microwave radiometer producing calibrated brightness temperatures (TB) at 10.7, 19.35, 37.1, and 85.5 GHz. These frequencies are sensitive to the emission and scattering of precipitation-size ice, liquid water, and water vapor. The AMPR performs a 90º cross-track data scan perpendicular to the direction of aircraft motion. It processes a linear polarization feed with full vertical polarization at -45º and full horizontal polarization at +45º, with the polarization across the scan mixed as a function of sin2, giving an equal V-H mixture at 0º (aircraft nadir). A full calibration is made every fifth scan using hot and cold blackbodies. From a typical ER-2 flight altitude of ~20 km, surface footprint sizes range from 640 m (85.5 GHz) to 2.8 km (10.7 GHz). All four channels share a common measurement grid with collocated footprint centers, resulting in over-sampling of the low frequency channels with respect to 85.5 GHz. Additional Information: https://airbornescience.nasa.gov/instrument/AMPR [Source: NASA]" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 id "1655061" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_id 2e38423f-a5e6-411a-88d3-8fdc00aaf30a @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_id 4f81c61c-f100-4bc4-9664-d9b70d2f162f @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_id 5b753e40-b3f1-426a-8d92-ffee1d675468 @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_id 6015ef7b-f3bd-49e1-9193-cc23db566b69 @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_label "Earth Remote Sensing Instruments" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_label "Instruments" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_label "Passive Remote Sensing" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_label "Radiometers" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 path_label "Spectrometers/Radiometers" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 prefLabel "AMPR" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 reference "https://airbornescience.nasa.gov/instrument/AMPR" @default.
- 862550bd-0d5e-41db-83aa-38630b4459a8 tag "Instruments" @default.