@Galileo I added it and started a new career. There is an issue with CustomBarnKit somehow - I also use the following mods which have own CustomBarnKit patches: JX2Antenna SETI-CustomBarnKit-Config (the nearly whole SETI / UbM and the UbM Extended configs) Strategia and also Antenna Helper - but this is set to CommNet. In SPC a right click on Tracking Station shows this: and this is written to the log then: ArgumentException: Couldn't find custom param