Yaesu FT-890 – returns to the bench from retirement

My FT-890 is once again on the shack bench for more distinguished service. 3 years ago I foolishly boxed the radio for an early retirement, well it’s now back in service. I have to say the ‘warm’ audio quality on receive is better than my IC-7300 and the combined IF Notch & IF Shift deals…

RF Trap Resonant Frequency

I am constructing a lightweight 40/30/20/17/15m trap style inverted V dipole antenna for SOTA purposes. Can you use an antenna analyser to check the resonant frequency of a HF trap? Yes you can, here is a practical solution. The purpose of this post is to demonstrate how you can use a modern antenna analyser to…