Peter Jost, HB9CET, due to health and age reasons, retired as IARU Monitoring System R1 Vice-Coordinator by the end of December 2021, remaining in IARUMS R1 as USKA (Switzerland) IARUMS Coordinator.

Peter, awarded the IARUMS R1 Medal in September 2021, acting IARUMS coordinator for a period until October 2020 and deputy coordinator for many years, has made a major contribution to the IARU MS Newsletters and has developed excellent professional presentation material on the IARUMS work.

We warmly thank Peter Jost, HB9CET, for his long commitment to IARUMS R1 and his excellent work and contributions.