Blog

How to decode SSTV images with QSSTV


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

My setup for receiving SSTV images from the ISS


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.

A Bonus Conversation in Times of Zoom


Modern video conferencing tools can drastically simplify communication. But sometimes they can also throw a wrench into the gearbox.

A Little Fable


Inspired by Franz Kafka's short story "A Little Fable" I went down a rabbit hole before finally writing down my own little fable.

European SOTA Activity Day 2022


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.

KG-STV on ISS - Digital SSTV on the International Space Station


On Sunday, 20th February 2022 ARISS Europe was conducting a special experiment transmitting KG-STV digitally encoded images from the ISS.

European SOTA Activity Day 2021


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.

How to interface your Yaesu FT-817ND/FT-818 radio with a Hardrock-50 HF amplifier


A Yaesu FT-817ND hardrock interface allows automatic band switching of the Hardrock-50 HF amplifier via FT-817ND and FT-818.

How to receive and decode WSPR with a simple RTL-SDR


Weak Signal Propagation Reporter is a digital radio protocol for probing potential propagation paths. Learn how to receive WSPR with RTL-SDR.

Yaesu FT-817ND Transmitter Output Power Levels


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.

How to automate your QSL card workflow


Learn how to automate your QSL card workflow by exporting QSO data directly from your logging program and print to beautiful adhesive labels.

My SOTA Journey - From Novice to Veteran


Every journey begins with a single step. Every mountain goat starts with one single summit. This is my SOTA journey from novice to veteran.

Yaesu FT-817ND/FT-818 PowerPole Adapter


The YAESU FT-817ND PowerPole Adapter protects against dangerous mechanical stress exerted on the DC input connector when operating portable.

How to assemble the WiMo X-Quad Antenna for 2m


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.

How to decode SSTV images with MMSSTV


In this article you'll learn how to decode SSTV with MMSSTV. Interesting for decoding SSTV images received from ISS during ARISS SSTV events.

How to build a diode voltage reduction adapter for your LiPo


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.

European SOTA Activity Day 2020


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 radio


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.

My portable ham radio setup for VHF and HF


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.

How to install the YF-122S Yaesu FT-817ND ssb filter


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.

CQ, CQ, this is OE5LXR ...


Hi! My name is Alexander Entinger (ham radio callsign OE5LXR) and welcome to my personal blog about portable ham radio and SOTA.