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  • Data - Data Description

    Data - Data Description

    Spire live and historical data

    The data collected by Spire has a diverse range of applications, from analysis of global trade patterns and commodity flows to aircraft routing to weather forecasting. The data also provide interesting research opportunities on topics as varied as ocean currents and GNSS-based planetary boundary layer height. The following products can be requested ADS-B Data Stream Global ADS-B satellite data observed by Spire satellite (about 800MB per day, but the volume of data may grow with the number of Spire fleet of satellites). Historical ADS-B data are delivered as a cvs file or via API, live ADS-B data are offered as a live stream through API. Data are distributed as a monthly subscription: historical data can be requested starting from 3 December 2008, the time period for live data starts from a user-defined date and continues for 30 days AIS AIS messages include satellite AIS (S-AIS) as observed by Spire satellites and terrestrial AIS (T-AIS) from third party sensor stations (up to 40 million messages per day). Historical AIS data are delivered as a cvs file with availability back to June 2016 or via Historical API from December 2018; live AIS data are pushed to end user via TCP or through Messages API. Data are distributed as a monthly subscription, from a user-defined date and continues for a 30 day period" GNSS-Radio Occultation GNSS-Radio Occultation measurements are done on a continuous basis, globally, thus allowing the generation of different profiles for each different type of observation. Historical data are available from December 2018 and are distributed via S3 API. Live GNSS-RO profiles (with 90 minutes or less latency from collection to delivery) will be available at a later stage Name Description Data format and content Application Automatic Identification System (AIS) The automatic identification system (AIS) is an automatic tracking system that uses transponders on ships and is used by vessel traffic services. Spire data includes satellite AIS (S-AIS) as observed by Spire satellites and terrestrial AIS (T-AIS) from third party sensor stations. .parquet.gz files The AIS files contain time-series data on received AIS messages, both the raw NMEA message and added post-processing data for each message. Supply chain analysis, commodity trading, identification of illegal fishing or dark targets, ship route and fuel use optimization, analysis of global trade patterns, anti-piracy, autonomous vessel software, ocean currents Automatic Dependent Surveillance-Broadcast (ADS-B) Fleet management, ICAO regulatory compliance, route optimization, predictive maintenance .csv.gz files The decompressed csv file contains a list of hexadecimal representations of ADS-B messages associated with the timestamp they were received on the satellite. Fleet management, ICAO regulatory compliance, route optimization, predictive maintenance Global Navigation Satellite System Radio Occultation (GNSS-RO) Atmospheric radio occultation (RO) relies on the detection of a change in a radio signal as it passes through a planet's atmosphere, i.e. as it is refracted by the atmosphere. Measurements are done on a continuous basis, globally, thus allowing researchers to have a global image of the Earth’s atmospheric properties. This data contains POD Observation, Satellite attitude information, High-Rate Occultation Observation (RO) and Atmospheric Profiles podObs*.rnx This file contains raw pseudorange, carrier phase, Doppler frequency, and signal-to-noise measurements for each observed GPS signal from a single Spire satellite which allow to estimate the positions and velocities of each Spire satellite and also used to derive ionospheric total electron content data. leoOrb*.sp3 This file contains the estimated position, velocity and receiver clock error of a given Spire satellite after processing of the POD observation file leoAtt*.log It contains 1 Hz rate quaternion information measured from a single Spire satellite describing the satellite orientation. opnGns*ro.bin, opnGns*rst.bin these files contain raw measurements from the occulting GNSS satellite (one for each signal frequency) and raw phase data from one or more reference GNSS satellites. atmPrf*.nc The file contains profiles of atmospheric dry pressure, dry temperature and neutral refractivity as a function of altitude produced from full processing of one occultation event. bfrPrf*.bufr The file contains derived profiles of dry pressure, dry temperature, refractivity and bending angle for each occultation. Weather forecasting, turbulence detection, detection and monitoring of volcanic clouds, estimating planetary boundary layer height The products are available as part of the Spire provision with worldwide coverage. All details about the data provision, data access conditions and quota assignment procedure are described in the Spire Terms of Applicability.

  • Campaign

    Campaign

    TerraSAR SIM

    The current mission design envisages flying two separate radars on separate platforms

  • News - General News

    News - General News

    Spire data now open to users

    Following the submission of a project proposal, data from the Spire mission are now available.

  • News - Events and Proceedings

    News - Events and Proceedings

    VH-RODA: Very High-resolution Radar & Optical Data Assessment workshop

    The workshop, hosted by ESA/ESRIN, will provide an open forum for the presentation and discussion of the current status and future deve...

  • Tools - Processing

    Tools - Processing

    PolSARpro

    The current version of PolSARpro is 6

  • News - General News

    News - General News

    Three new Third Party Missions under evaluation

    ICEYE, PlanetScope and Spire under evaluation. Interested users can investigate suitability of the data for scientific and R&D activities.

  • Event - Workshop

    Event - Workshop

    SEASAR 2012

    Ocean current retrievals and applications Wave retrievals and applications Sea ice retrievals and applications Oil spill and ship detect...

  • Event - Workshop

    Event - Workshop

    Fringe 2011 Workshop

    Fringe 2011 was the 8th International Workshop on "Advances in the Science and Applications of SAR Interferometry".

  • Event - Meeting

    Event - Meeting

    VH-RODA and CEOS SAR workshop

    The workshop, hosted by ESA/ESRIN, provided an open forum for the presentation and discussion of current status and future developments...

  • Mission - Third Party Missions

    Mission - Third Party Missions

    Spire

    Spire Global's constellation of Lemur nanosatellites is designed, built, and operated by the company.

  • Mission - Third Party Missions

    Mission - Third Party Missions

    TerraSAR-X and TanDEM-X

    The TerraSAR-X and TanDEM-X satellites feature a unique geometric accuracy that is unmatched by any other spaceborne sensor.

  • Mission - Third Party Missions

    Mission - Third Party Missions

    Landsat Series

    The Landsat series is the world's longest running system of satellites for moderate-resolution optical remote sensing for land, coastal areas and shallow waters.

  • Mission - Third Party Missions

    Mission - Third Party Missions

    Spire Overview

    Mission background Spire Global is a data and analytics company that collects data from space to solve problems on Earth. They identify, track, and predict the movement of the world's resources and weather systems by "listening" to the planet in real-time and applying machine learning to understand what will happen in the future. Spire Global's constellation of over 90+ nanosatellites is designed, built, and operated by Spire out of Glasgow, UK and its European headquarters in Luxembourg. With a diversified launch manifest and the capacity to build up to two satellites per week, Spire's constellation continues to grow. The company continues to launch additional satellites and add new payloads to the constellation; the first launch took place on 3 August 2013. Satellite design Spire Global exclusively use the nanosatellite form factor. Spire is on the 21st design iteration of the satellite, aided by on-orbit operational performance and feedback, which gives consistency and reliability of performance. The satellites are three-axis stabilised and do not use thrusters. The satellites are flexible platforms built to operate a variety of in-house or hosted payloads. It currently commercialises its platform on a “Space-as-a-Service” offering with aerospace and defence customers. Spire uses minimally adapted COTS electronics to reduce cost. TECHNICAL SPECIFICATIONS Mass 4.6 kg Dimensions 10 cm x 10 cm x 30 cm Design lifetime 2 years Mission Operations The satellites are placed in low-Earth orbit (generally around 500km so that they naturally de-orbit) at various inclinations, including equatorial, sun-synchronous and inclinations in between, which gives global coverage and the ability to listen to every spot on Earth more than 100 times per day. They are scheduled to be retired and replaced every two to three years. The Spire’s own global ground station network provides timely data that is processed by Spire to produce high-value information products and made available through their customer API.

  • Document - Proceedings

    Document - Proceedings

    SEASAR-2012-sessions-summaries-seed-questions-recommendations.pdf

    .................................................................................................................................................................. 16 7 OCEAN CURRENT RETRIEVALS AND APPLICATIONS SESSION – PREPARED BY

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    Multi Spectral Scanner (MSS) PROCESSOR RELEASES

    TM reflective bands (Dark Current offset computed based on CPF file) E 2

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    Thematic Mapper (TM) PROCESSOR RELEASES

    TM reflective bands (Dark Current offset computed based on CPF file) E 2

  • Activity - Quality

    Activity - Quality

    SLAP

    The SLAP (Systematic Landsat Archive Processing) project covers the MSS, TM and ETM+ products from Landsat missions 1 – 7, and is the first systematic reprocessing of the ESA Landsat archive.

  • Activity - Quality

    Activity - Quality

    EDAP

    The ESA Earthnet Data Assessment Pilot (EDAP) project will perform assessments for various missions to ensure the delivered data is fit for purpose.

  • Document - Proceedings

    Document - Proceedings

    Fringe-2011-workshop-session-summaries.pdf

    package or packages for doing earthquake source inversions. Some source code for InSAR data resampling is available at http://roipac.org 8) What are the options currently available to correct InSAR

  • Document - Conference Presentation - Poster

    Document - Conference Presentation - Poster

    2_ppt_POLINSAR2013_dmonells_std.pdf

    SINGLEPOL Data Oriented Unavailability of PolSAR data Polarimetric Data availabilityPolarimetric Data availability Old and Current Missions LBand: ALOS CBand: Envisat, Radarsat2 XBand: TerraSARX,