K0TFU Blog

Registration for the Zero Retries Digital Conference is now open!

APRS services, sometimes called bots, provide useful capabilities to operators via APRS messages.

I have a proposal for a new APRS activity and supporting software called APRS On The Air.

The mad lads working on LinHT have posted a major update on their accomplishments with Rev B.

This elaborate description of what it took to replace the transparent LCD cover on a Elecraft KX2 is the funniest ham radio thing I’ve ever read

I just created and released a new piece of open source software called kiss-tnc-bridge.

If you don’t have a ham radio license, or if you want to upgrade the license you have, there are many tools and study helps avaialble.

Each spring, the Salty Lizard gravel bike race brings hundreds of cyclists to Utah’s west desert.

Last year Cobra released the Trailblazer series of GMRS radios.

Update: April 5, 2026: Zero Retries is back on substack at zeroretries.org.