Before long Manuela Wenger will be sitting in her black swivel chair in the cramped rooftop room at Inffeldgasse 12, waiting for the first signal from space. The ‘worst moment’, says the researcher at the Institute for Communication Networks and Satellite Communications at the Graz University of Technology. Only then will he know whether his and his team’s satellite – it is called ‘PRETTY’ – got there safe and sound. And especially if it works.