Remote RX SWL box

This is custom IP controlled switch box for Christoph OE2CRM. It allows him to switch RX antennas for his SDR RXs for MW and Tropical band SWL. Photos credit by remoteqth.com Main functions: Remote controled RX antennas switch with BPF / ATT / Preamp Used parts Remote manual IP switch, based on Arduino LINK 9…

What will one do for ham radio …

Video by KD0WHB The adventure up to the top of a mountain peak during a winter storm to disconnect a beacon which was stuck on transmit. Down near my School at New Mexico Tech. Wish I could have gotten more footage at the top, but the wind was hitting just way too hard. Skyler Fennell

4O3A HF Combiner

The 4O3A High Power HF Triplexer System Enables A Single Triband 20m/15m/10m Antenna (typically a Yagi) Fed With A Single Coaxial Feedline,To Be Used By Three Stations Running 1.5 kW Simultaneously. Truly a “game changer” for SO2R and multi-operator contest stations, DXpeditions and Field Day groups. The 4O3A Signature Series Triplexer System eliminates the need…