SDAC — Multi/Hyperspectral High Data Rate Image Compression Module
Tsd-space
Scientific Data Acquisition and Compression module flown on the PRISMA hyperspectral Earth observation satellite.
Technical specifications
- Mission
- PRISMA, operational since 22 March 2019, 615 km altitude
- Spectral range
- 400–2500 nm (hyperspectral)
- Redundancy
- Nominal + redundant boards
- Compression
- Configurable lossless/near-lossless
- Encoding
- CCSDS + Reed-Solomon
About
Scientific Data Acquisition and Compression Module (SDAC), part of the PRISMA Payload Main Electronics Unit, funded by the Italian Space Agency (ASI). PRISMA has been operating since 22 March 2019 at 615 km, providing hyperspectral imaging from 400-2500 nm. The module has nominal and redundant boards, with configurable lossless/near-lossless compression applying CCSDS and Reed-Solomon encoding.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
