NASA/ESSP/UMICH/CYGNSS
type: Concept
in scheme: providers
change note: 2020-08-20 11:57:16.0 [tstevens] Insert Concept add broader relation (NASA/ESSP/UMICH/CYGNSS [92392bd1-d4d7-4eec-8ba4-cb5cba713101,560616] - NASA [4fd0aa9d-1a80-4dde-8452-c69b5c4d08cc,533825]);
change note: 2020-08-20 11:59:33.0 [tstevens] insert AltLabel (id: null category: primary text: Cyclone Global Navigation Satellite System Mission, NASA Earth Science System Pathfinder, University of Michigan language code: en); insert Definition (id: null text: The Cyclone Global Navigation Satellite System (CYGNSS), launched on 15 December 2016, is a NASA Earth System Science Pathfinder Mission that is intended to collect the first frequent space‐based measurements of surface wind speeds in the inner core of tropical cyclones. Made up of a constellation of eight micro-satellites, the observatories provide nearly gap-free Earth coverage using an orbital inclination of approximately 35° from the equator, with a mean (i.e., average) revisit time of seven hours and a median revisit time of three hours. This inclination allows CYGNSS to measure ocean surface winds between approximately 38° N and 38° S latitude. This range includes the critical latitude band for tropical cyclone formation and movement. CYGNSS has the capability to measure the ocean surface wind field with unprecedented temporal resolution and spatial coverage, under all precipitating conditions, and over the full dynamic range of wind speeds experienced in a tropical cyclone. This mission intends to accomplish this through an innovative combination of all-weather performance Global Positioning System (GPS) ocean surface reflectometry with the sampling properties of a dense constellation of eight observatories. What makes CYGNSS unique is that it is NASA’s first mission to perform surface remote sensing using an existing Global Navigation Satellite System (GNSS)— a satellite constellation that is used to pinpoint the geographic location of a user’s receiver anywhere in the world. A number of GNSS systems are currently in operation, including: the United States’ Global Positioning System (GPS), the European Galileo, the Russian Federation’s Global Orbiting Navigation Satellite System (GLONASS), and the Chinese Beidou.…
definition: The Cyclone Global Navigation Satellite System (CYGNSS), launched on 15 December 2016, is a NASA Earth System Science Pathfinder Mission that is intended to collect the first frequent space‐based measurements of surface wind speeds in the inner core of tropical cyclones. Made up of a constellation of eight micro-satellites, the observatories provide nearly gap-free Earth coverage using an orbital inclination of approximately 35° from the equator, with a mean (i.e., average) revisit time of seven hours and a median revisit time of three hours. This inclination allows CYGNSS to measure ocean surface winds between approximately 38° N and 38° S latitude. This range includes the critical latitude band for tropical cyclone formation and movement. CYGNSS has the capability to measure the ocean surface wind field with unprecedented temporal resolution and spatial coverage, under all precipitating conditions, and over the full dynamic range of wind speeds experienced in a tropical cyclone. This mission intends to accomplish this through an innovative combination of all-weather performance Global Positioning System (GPS) ocean surface reflectometry with the sampling properties of a dense constellation of eight observatories. What makes CYGNSS unique is that it is NASA’s first mission to perform surface remote sensing using an existing Global Navigation Satellite System (GNSS)— a satellite constellation that is used to pinpoint the geographic location of a user’s receiver anywhere in the world. A number of GNSS systems are currently in operation, including: the United States’ Global Positioning System (GPS), the European Galileo, the Russian Federation’s Global Orbiting Navigation Satellite System (GLONASS), and the Chinese Beidou. CYGNSS has opted to use only the United States’ GPS constellation. Unlike radar scatterometers (e.g., ISS-RapidScat, QuikSCAT, and ASCAT) that both emit microwave radar pulses and receive their backscattered signals, CYGNSS functions as a constellat…

NASA
type: Concept