Mr. Samuel E. Hunt Profile

Samuel E. Hunt

at National Physical Lab

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Author

Publications (2)

Proceedings Article | 10 October 2019 Presentation + Paper

ESA's Earthnet data assessment pilot: paving the way for new space players

Rubinder Mannan, Kevin Halsall, Clément Albinet, Giuseppe Ottavianelli, Philippe Goryl, Valentina Boccia, Andrea Melchiorre, Alessandro Piro, Davide Giudici, Nigel Fox, Samuel Hunt, Sébastien Saunier

Proceedings Volume 11151, 111511X (2019) https://doi.org/10.1117/12.2532818

KEYWORDS: Calibration, Atmospheric optics, Ocean optics, Synthetic aperture radar, Space operations, Sensors, Clouds, Satellites, Optical resolution, Aerosols, Image quality

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For over 40 years ESA’s Earthnet Programme has played a significant role as part of ESA’s mandatory activities, being a major contributor to the Global Earth Observation System of Systems (GEOSS). This role involved providing the framework for integrating non-ESA missions, i.e. Third Party Missions (TPM), into the overall ESA Earth Observation (EO) strategy. Complementary to ESA-owned EO missions, the programme allows European users access to a large portfolio of TPM and is particularly important for promoting the international use of EO data.

In line with the Earthnet Programme objectives first established in 1977, ESA aims to foster cooperation and collaboration with not only other national space agencies, but also commercial mission providers. In recent years the availability of low cost small satellites and the innovation of constellations resulted in an increased number of commercial companies who have established business models to provide information services fed by their own satellite systems. These New Space players are now portraying an important role in the EO international strategy. Some of these new missions are potential candidates for Earthnet TPMs, and ESA have therefore set up a project to assess the quality and the suitability of these missions and also to establish dialogues with the various mission providers in order to improve the overall coherence of the EO system. This project is known as the Earthnet Data Assessment Pilot (EDAP).

The EDAP consortium, headed by Telespazio VEGA UK is aimed at the provision of various clusters of expertise to perform an early data quality assessment of existing or future EO missions from national or commercial providers, which may potentially become TPMs within ESA’s Earthnet Programme. Complementary to this support is a focus on the generation of methodologies and guidelines for training and capacity building with each mission provider in regards to performing efficient data quality assessments in preparation for future missions.

This work presents how the EDAP activities are organized and executed, and will also provide details of the various missions included within each of the instrument-specific domains covering Optical Sensors, Synthetic Aperture Radar (SAR) and Atmospheric missions. Important multi-mission aspects will also be presented for studies that will require inputs from several missions, possibly spanning multiple instrument domains; such studies contribute to interoperability across existing and future missions and help foster synergies between these missions.

Proceedings Article | 29 September 2017 Presentation + Paper

A comparison of validation and vicarious calibration of high and medium resolution satellite-borne sensors using RadCalNet

Andrew Banks, Samuel Hunt, Javier Gorroño, Tracy Scanlon, Emma Woolliams, Nigel Fox

Proceedings Volume 10423, 104231A (2017) https://doi.org/10.1117/12.2278528

KEYWORDS: Sensors, Calibration, Reflectivity, Satellites, Optical resolution, Spatial resolution, Sensor calibration, Signal processing, Atmospheric propagation

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