A cheap DIY dummy load using wire wound power resistors
This article describes how I assembled a cheap dummy load using a pair of 100 Ω / 50 W wire wound resistors and why that wasn't the best idea.
Micro Build Report: QRPMe Two Tinned Tunas (EZ Build)
The QRPme Two Tinned Tunas is a rock-bound CW (morse) transmitter building kit made by OM Rex Harper, W1REX. Pictures from assembly by OE5LXR.
Micro Build Report: QRPMe Tuna Tunah
The QRPme Tuna Tunah is a switched inductor antenna tuner building kit made by OM Rex Harper, W1REX. Pictures from assembly by OE5LXR.
Thoughts on the Purpose of Ham Radio in the Modern World
In this article I try to examine the relevance of ham radio in our modern world thoroughly saturated with a plethora of digital communication.
European SOTA Activity Day 2023
The European SOTA Activity Day 2023 took place on 16th September 2023. Its focus is on EU wide portable ham radio operation from a mountain.
Sota Antennas #1: Multi-Band Inverted-Vee Trapped Dipole
Article about my primary SOTA antenna which is a multi-band (20/30/40) inverted-vee trapped dipole with over 100 successful activations.
Micro Build Report: Hardrock HF-50 HF Amplifier
This micro build report describes my impressions of the build and operational usage of the HobbyPCB Hardrock HF-50 HF amplifier.
How to import a GPX file into Garmin Basecamp
Learn how to export a GPX file from the OE5LXR SOTA tour database, convert it to a route, and send it to your GPS device for navigation.
A curated list of the best technical ham radio books
This article contains a curated list of the very best technical ham radio books. It's an open list and anyone may suggest further candidates.
A curated list of the best non-technical ham radio books
Technical ham radio books are legion. Non-technical books that capture and convey the magic of ham radio are rare. Some are listed here.