OE5LXR

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.

Article about my primary SOTA antenna which is a multi-band (20/30/40) inverted-vee trapped dipole with over 100 successful activations.

This micro build report describes my impressions of the build and operational usage of the HobbyPCB Hardrock HF-50 HF amplifier.

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.

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.

Technical ham radio books are legion. Non-technical books that capture and convey the magic of ham radio are rare. Some are listed here.

With the declining value of search engine results this article attempts to capture a list of excellent ham radio blogs around the world.

The ISS SSTV Gallery contains all the SSTV images received and decoded from the ISS by Alexander Entinger (OE5LXR).

Learn how to decode SSTV images with QSSTV on Linux. Interesting for decoding SSTV images received from ISS during ARISS and MAI SSTV events.

From hand-held radio to complex automated antenna rotor systems: There are many options how to receive SSTV from ISS. This is how I do it.