Last week WiSpry announced the introduction of its WS2018, which it claims is the industry's lowest current consumption antenna tuner. The chip is positioned between the antenna and the front-end ...

Something that all radio amateurs encounter sooner or later is the subject of impedance matching. If you’d like to make sure all that power is transferred from your transmitter into the antenna and ...

The device operates by waiting for the tune button to be pressed , start the transmitter, and wait for the SGC tuner to finish its job using the DX-70 and SGC-239 tuner working together. The device ...

[Tech Minds] built one of those cheap automatic antenna tuners you see everywhere — this one scaled up to 350 watt capability. The kit is mostly built, but you do have to add the connectors and a few ...