• The magic of adaptive filters in amateur radio
• Customize your own list of favorite screens for the Multi-face GPS Clock
• QMX+ mechanical improvements
• Why is speech quality so poor in DMR, D-STAR, and System Fusion?

13. mai 2025

• The ARRL Solar Report
• Promote Your Club’s 2025 ARRL Field Day With Posters
• Johns Hopkins University to Hold ARRL Teachers Institute
• Plan Your Hamvention With ARRL App

• How to use UISS for SONATE-2
• Web page updates May 2025
• Satellite report May 2025
• ARISS SSTV Expedition 73 – Series 27