How To Build a Rotator Controller with a Computer Interface
The Problem Very often we have seen a rotator control interface for a computer. They are usually quite expensive and we convince ourselves that we do not need it. Only those who have used it, […]
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 […]
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 […]
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 […]