Sunday, March 8, 2026

Microphone compressor using two transistors

Microphone compressor using two transistors: This microphone compressor circuit utilizes a two-stage amplification design for dynamic range control. Initially, the input signal enters through MK1, a microphone input connector. Subsequently, the signal passes through C1 and C3 coupling capacitors for DC blocking.

Radio Waves Weekly — Issue #007

Radio Waves Weekly — Issue #007: This week: 3Y0K is finally on the air from Bouvet Island — the most remote uninhabited island on Earth — and the pile-ups are epic. The Rebel DX Group is next up with a Kanton Island activation starting March 25. Plus a pocket-sized Indian SDR that does FT8 without a computer, the freshest QRP Labs kit, two wire antennas you can build this weekend, and a handful of contests and events to fill your log before spring.

Wednesday, March 4, 2026

FT2 Digital Mode: Latest News, Software Updates, and Ham Radio Adoption

FT2 Digital Mode: Latest News, Software Updates, and Ham Radio Adoption: FT2 is the fastest FT-family digital mode ever built — completing QSO in seconds. Discover its origins, Decodium vs WSJT-X Improved schism, adoption trends,