Powering a Ham Radio with USB Power Delivery

A while back, I built a cable to power 12V devices (in my case a Kenwood TH-D74 HT) using the QuickCharge standard available in some USB power adapters. This allowed me to use a USB charger to charge my HT rather than bringing a dedicated wall wart which helped save...

Replacing Top Panel and Belt Clip on Kenwood TH-D74

I’ve enjoyed using the Kenwood TH-D74 for the last four years or so, and despite its regular use and fragile design, it has survived that period without any major damage. However, a couple years ago, a small crack started to develop on the back of the case next...

November 28 Roving Plans (EN70/71 and EN60)

I’ll be hitting a few more grids on Saturday, November 28th. I’ll try to keep this page up to date but plans are subject to change. Follow along on Twitter (@kd8rtt) for updates along the way including planned frequencies for linear sats. EN70/EN71 Grid...