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  1. About
  2. Frequently Asked Questions (FAQ)
  3. Copernicus Maritime Surveillance Service
  4. Earth Observation and Value-Added Products

Earth Observation and Value-Added Products

About Copernicus & access to the service  |  Satellites and Sensors  |  Earth Observation and Value-Added Products
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Earth Observation services infosheet - Supporting Rescue Coordination Centres
How accurate is VDS?
How is the heading calculated?
I can see bright white pixels in the SAR image not classified as vessels, what are they?
The system reports an uncorrelated vessel, but when the AIS layer is superimposed there is a reporting vessel next to it. Is this the same vessel?
What is the relationship between the coverage and spatial resolution of the image and the size of the target vessels, for an optimal detection?
What is the smallest object that can be seen in an image?
What is Vessel Detection Service (VDS)?
Where does the vessel position information reported by EMSA come from?
What is the base layer used for the user interface?

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