145 Alive at Win Green
The only Ham on the Hill, for the first time ever
Ian Renton
The website of Ian Renton, a software engineer and builder of robots
Latest posts
2026 Challenge Complete: Activate all POTA Parks within 20 miles!
Two years. 138 parks. And we are DONE.
The Parks not Documented
Snapshots from less exciting places
RSGB 2nd 144MHz Backpackers 2026 Contest Report
There was a hike. There's always a hike.
Activation Report: The Heatwave Roves
Seven sweltering pile-ups (it's better than it sounds)
Plane/Sailing v5 Changes
This page lists the differences between version 4 of Plane/Sailing, with a Java-based server, and version 5, which rewrote the backend code in Python. My intention is to keep the main build guide up-to-date with the latest state of the system, as this will be of most interest to readers, while maintaining pages like this one to explain what’s changed for returning visitors.
POTA Rove Report: The Meeting of the Ways
Terrible band conditions, marginal success, only broke a few things!
Hitting a Thousand
A look back over 25 years and 1000 posts
POTA Activation Report: Wareham Forest
Revenge is a dish best served warm and sunny.
Activation Report: Afton Marsh and the Needles
All the vintage cars, aircraft and secret rocket test sites you could want on a 7-programme activation!