Author: George Sofronas - SV1ELF

Etch your own circuit board PCB in 10 EASY Steps

TEN Easy Steps To Etch Your Own Quality Circuit Board – PCB (video)

Many of us have tried to make our own board for our favorite project. Unfortunately, most do not get the desired results. Usually, our board will need a lot of work to become functional. We’ll […]

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How-To Easily Measure Unwanted RF

Recently I have noticed that there is a lot of interest in the amateur radio community regarding baluns-chokes with ferrites, the placement of which is intended to reduce returned and unwanted RF. Introduction Most of […]

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SSB QSO via Qatar OSCAR-100 - The First Geostationary Satellite carrying Amateur Radio

A Practical Guide to Getting on Qatar OSCAR-100 (video)

An Introduction Qatar OSCAR 100 launched on November 15, 2018, and is the first geostationary satellite with an amateur radio transponder on-board. It is a joint project of the Qatar Satellite Company (Es’hailSat), the Qatar […]

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