Concept
Poseidon-2
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1044/2/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Poseidon-2 | ||
| Definition | Poseidon-2 is a radar altimeter designed to measure ocean topography, significant wave height and surface wind speed. It is also able to measure the amount of rain in the atmosphere. The Poseidon-2 altimeter emits a radar beam that is reflected back to the antenna from the Earth's surface. Poseidon-2 operates at two frequencies (in the Ku and C bands) to determine atmospheric electron content, which affects the radar signal path delay. These two frequencies also serve to measure the amount of rain in the atmosphere. Poseidon-2 operates at 13.6 GHz in the Ku band and 5.3 GHz in the C band. It has a pulse duration of 105 microseconds and a bandwidth of 320 MHz. The altimeter is nadir-only viewing, sampling at 30 km intervals along-track. Flown on JASON-1. http://www.aviso.altimetry.fr/en/missions/past-missions/jason-1/instruments/poseidon-2.html | ||
| Date | 2016-11-15T14:35:44 | ||
| Identifier | SDN:L22::TOOL1044 | ||
| Note | accepted | ||
| Is Version Of | TOOL1044 | ||
| Previous Version | 1 | ||
| version | 2 | ||
| Broader | L05:186 |
radar altimeters | |
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