S[&]T’s Product Algorithm Laboratory (PAL) is a service that offers a cloud platform for Earth Observation processing algorithm developers with the infrastructure needed to (automatically) run algorithms and analyze the results. PAL provides all the key aspects needed for this:

  • Access to Earth Observation data (e.g. from Copernicus), as well as any auxiliary data needed.
  • A development environment with the tools needed to develop processing algorithms and analyse data.
  • Expandable data storage that can be dynamically adapted to the user needs.
  • Infrastructure to perform bulk processing without having to invest time in setting it up. The algorithm execution function will automatically start and stop processing nodes when needed.
  • Tooling for scheduling, and monitoring (automatic) data processing.

Because of these features, PAL allows algorithm developers to fully focus on the algorithm without having to worry about infrastructure, data access or computing resources.

Currently, this service is used by ESA to allow scientific users to develop and qualify algorithms for S5P atmospheric data (Sentinel 5P PAL, or S5P-PAL).

Pre-operational data products generated by processors running in the S5P-PAL environment are available through the S5P-PAL Data Portal.

In addition, the PAL infrastructure is used to implement the Copernicus Sentinel-5P Mapping Portal, which supplies ESA and the European Commission with air quality data for their Rapid Action for Citizens with Earth Observation dashboard.


S[&]T Corporation is a privately owned company conducting high-tech projects, services and consultancy. S[&]T started in 2000 and has grown to a diverse group of 125 professionals of which over 90% hold a PhD or MSc degree in aerospace engineering, computer science, electrical engineering, mathematics or physics. The S[&]T engineers are either skilled domain experts themselves or are capable of communicating and working together at all levels with the clients who are domain experts. This ensures smooth cooperation and successful completion of the projects S[&]T is involved with. S[&]T has offices in the Netherlands (Delft), Norway (Oslo) and Italy (Rome). The S[&]T headquarters are located in Delft, the Netherlands.

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