Zum Spot with Nextion display

My Zum Spot with Nextion display was long overdue for an update. Everything worked fine, however the Raspberry Pi 3B+ will still running the Raspbian “Jessie” operating system. The Pi-Star development team upgraded to the Raspbian “Buster” version of the operating system in March 2020. In other words, I had…

Where do my signals go when they leave the antenna?

Where do my signals go when they leave the antenna? Often times it’s a mystery, however I occasionally like to see where they go. Using the software called WSJT-X, I can use the WSPR mode to solve the mystery. WSPR, commonly referred to as “Whisper” is an acronym for Weak…

SDRPlay RSP1A for the win

SDRPlay RSP1A for the win….best money I have spent in the hobby. I started out with the SDRPlay RSP1 about 7 years ago. The upgrade to the RSP1A happened about two years ago. The RSP1A covers the complete radio spectrum from 1kHz (VLF) to 2GHz (Microwaves) with up to a…

Phonema PHITS speaker upgrade

I am doing a Phonema PHITS speaker upgrade to my Kenwood SP-990 speakers. The second upgrade will be the Phonema PHITS acoustic modification kits. They will ship in February from DX Engineering. Despite the $295 price tag, the Kenwood SP-990 received numerous complaints of poor audio quality. After listening to…

Those wascally wabbits are in for an education

Those wascally wabbits are in for an education. That is to say, I’m thinning the herd. I have spent most of the summer on the road, hauling gravel. Some new to me equipment had arrived at the shack and it’s time to put it on the air. During the shack…

Building the QRPGuys code trainer

Building the QRPGuys code trainer was a quick and easy project. I enjoy their products because of the high quality. This device will send characters in groups of 5 at a speed setting of your choice. The use of a paddle or key is available to practice your sending skills….