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.
Modern video conferencing tools can drastically simplify communication. But sometimes they can also throw a wrench into the gearbox.
Inspired by Franz Kafka's short story "A Little Fable" I went down a rabbit hole before finally writing down my own little fable.
The European SOTA Activity Day 2022 took place on 17th September 2022. Its focus is on EU wide portable ham radio operation from a mountain.
On Sunday, 20th February 2022 ARISS Europe was conducting a special experiment transmitting KG-STV digitally encoded images from the ISS.
The European SOTA Activity Day 2021 took place on 18th September 2021. Its focus is on EU wide portable ham radio operation from a mountain.
A Yaesu FT-817ND hardrock interface allows automatic band switching of the Hardrock-50 HF amplifier via FT-817ND and FT-818.
Weak Signal Propagation Reporter is a digital radio protocol for probing potential propagation paths. Learn how to receive WSPR with RTL-SDR.
The Yaesu FT-817ND has four transmitter output power levels: 5 W, 2.5 W, 1 W and 0.5 W. See the different visual indicators for each level.
Learn how to automate your QSL card workflow by exporting QSO data directly from your logging program and print to beautiful adhesive labels.
Every journey begins with a single step. Every mountain goat starts with one single summit. This is my SOTA journey from novice to veteran.
The YAESU FT-817ND PowerPole Adapter protects against dangerous mechanical stress exerted on the DC input connector when operating portable.
Learn how to perform a WiMo X-Quad Antenna 2m assembly and use this fantastic anteanna for receiving signals from the ISS during SSTV events.
In this article you'll learn how to decode SSTV with MMSSTV. Interesting for decoding SSTV images received from ISS during ARISS SSTV events.
Learn how to build a diode voltage reduction adapter for reducing battery voltage of your LiPo battery pack to a safe level for your radio.
The European SOTA Activity Day 2020 took place on 19th September 2020. Its focus is on EU wide portable ham radio operation from a mountain.
The ultimate guide to your Yaesu FT-817ND contains all the knowledge necessary to get the most out of this robust and versatile little radio.
In this article I’ll be describing my portable ham radio setup for both VHF and HF in order to give beginners a reference setup to build upon.
Learn how to fit the YF-122S ssb filter into the Yaesu FT-817ND in order to improve the suppression of strong signals on adjacent channels.
Hi! My name is Alexander Entinger (ham radio callsign OE5LXR) and welcome to my personal blog about portable ham radio and SOTA.