Matthias Bopp Contributions at Pi and Radio 2022 (UKW-Tagung Weinheim) QO-100 Transceiver mit „Pluto“, „AMSAT-DL 6W PA“ und der „QO-100 LNB Supply & Clock“ Baugruppe (Talk) Amateurfunk via QO-100 von DP0GVN in der Antarktis (Talk)