29 May 2017 Technical Handbook for Radio Monitoring HF Edition 2017 by Roland We will publish the new edition on the Ham Radio 2017 in Friedrichshafen
29 May 2017 Technical Handbook for Satellite Monitoring Edition 2017 by Roland On the Ham Radio 2017 we will publish our new book for satellite monitoring
29 May 2017 Ham Radio 2017 by Roland We will be on the Ham Radio from 14.07 to 16.07.2017 in Friedrichshafen