I start building an SWR / Relative Power Bridge. This is a simple circuit. I show you how to wind the toroid coils. The circuit is based on Don Cantre... Read more
“The NanoVNA does many things. Two of which are testing coax cables for loss and length. Jim W6LG shows how to do both in this first video about... Read more
Released the IP501M dual-SIM compatible in- vehicle IP transceiver compatible with 2 carriers of au / NTT DOCOMO .
Product name / model name In-vehicle IP transceiver / IP501M Suggested retail price Open price Release date Monday, September 30, 2019 Annual sales pl... Read more
Adding an amp is not as straightforward as it sounds. There is much to consider, including AC power. Read more
Elecraft K4 OVERVIEW A direct-sampling SDR you’ll love to use Our new K4 harnesses the latest in signal processing while retaining the best aspects of... Read more
In December, Joe Taylor, K1JT, released the latest version (1.7) of his WSJT-X software suite, designed to facilitate basic Amateur Radio communicatio... Read more
Champion RTTY contester Don Hill, AA5AU, of Louisiana may be the first US radio amateur to operate SO2R (single operator, two radio) remotely in an RT... Read more