The small satellite BIROS (Bispectral InfraRed Optical System) is the successor of the TET-1 satellite. Both form the FireBIRD constellation for remote fire detection.
![BIROS](https://www.astrofein.com/wp-content/uploads/2016/06/CopyrightAstrofein_BIROS_grau-624x416.jpg)
The small satellite BIROS (Bispectral InfraRed Optical System) is the successor of the TET-1 satellite. Both form the FireBIRD constellation for remote fire detection.