Compression hardware and software in the Astrid, Swedish microsatellite launched in 24 January 1995. It's based on the T800-transputer, and programmed with Occam.
Latest RONJA operation manual or RONJA operation manual in postscipt is available for those who operate it.
Here's a few pictures from Astrid being tested in IRF Kiruna. The card taken out is RONJA.