"I give you a GO, a NO-GO, and I read you loud and clear." The countdown for the MAPHEUS 12 sounding rocket at Esrange in northern Sweden begins like this. All stations must check in and ensure that clear communication is possible. Then the process can begin. For MAPHEUS 12, this was planned to last five hours, during which the last modules are installed in the payload and the engines are ‘primed’, among other things.
In the end, the five-hour countdown became six. Further commotion was caused by a defective temperature sensor that was detected when one of the experiments on board was switched on for the first time. read more