TU Wien SpaceTeamSat1 (STS1) is the current student CubeSat mission of the TU Wien Space Team. The team is developing and operating a 1U CubeSat with a dedicated SatNOGS ground station, Raspberry Pi education payload, sensors and cameras, RF communications, and mission-control infrastructure so students can run software experiments in orbit. STS1 has been integrated into the Isar Aerospace Spectrum launch vehicle and is being prepared for launch.