Spaceborne GNSS-Reflectometry on TechDemoSat-1: early mission operations and exploitation

Unwin, Martin; Jales, Philip; Tye, Jason; Gommenginger, Christine ORCID: https://orcid.org/0000-0002-6941-1671; Foti, Giuseppe ORCID: https://orcid.org/0000-0002-1507-2133; Rosello, Josep. 2016 Spaceborne GNSS-Reflectometry on TechDemoSat-1: early mission operations and exploitation. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9 (10). 4525-4539. https://doi.org/10.1109/JSTARS.2016.2603846

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Abstract/Summary

GNSS-Reflectometry is a new technique that shows promise for many earth observation applications including remote sensing of oceans, land, and ice. A payload has been developed that is low size and power, and suitable for use on small satellites. The first flight of the SGR-ReSI GNSS Reflectometry Instrument is on the TechDemoSat-1 mission, launched in July 2014. The instrument has been operational since its commissioning in September 2014, and has been collecting delay Doppler maps routinely over many different surfaces. Preliminary work has been undertaken to develop and validate wind speed inversion algorithms against ASCAT measurements with promising results. Measurements over land and sea ice are also showing interesting geophysical characteristics This paper describes the instrument, early operations, data dissemination through the Measurement of Earth Reflected Radio-navigation Signals By Satellite (MERRByS) website and preliminary data assessments in preparation for further data exploitation.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1109/JSTARS.2016.2603846
ISSN:	1939-1404
Additional Keywords:	techdemosat TDS-1, GNSS reflectometry, GNSS remote sensing, mean-square slope, sea-state sensing, signal processing
Date made live:	02 Dec 2016 14:23 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/515304

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