LZ3AI
273 posts
QMX+ from QRP Labs: The small giant in QRP (160m – 6m) If you've ever dreamed of packing the entire amateur radio world from 160 meters all the way to 6 meters (the magic band) into a box the size of a sandwich and the weight of a pair of kebabs... I have good news for you! As a happy owner […]
In a walnut orchard 39 years ago: The beginning of the space age in the Bulgarian Academy of Sciences army Place: Walnut orchard near the village of Botevo, Tundzha municipality, Yambol region. Time: May 24, 1987, exactly 39 years ago. Acting person: me – a rookie officer… lieutenant engineer. The […]
In a walnut orchard 39 years ago: The dawn of the space age in the Bulgarian Army Location: A walnut orchard near the village of Botevo, Tundzha Municipality, Yambol Region. Time: May 24, 1987, exactly 39 years ago. Protagonist: Me – a rookie officer… engineer lieutenant. The sun is fighting the dense walnut foliage. Birds are welcoming the approaching summer […]
Who invented the radio? Popov, Marconi or Tesla? Radio: A puzzle pieced together by many geniuses In the history of science, few questions are as electrifying as the one about the „father of radio.“ Depending on where you studied, the answer is different. But if we put aside political biases, […]
Who invented the radio? Popov, Marconi, or Tesla? The radio: A puzzle put together by many geniuses In the history of science, few questions are as electrified as the one about the „father of the radio.“ Depending on where you studied, the answer is different. But if we leave aside political biases, the truth turns out to be much more complex [...]
Wandering through the jungle of fast charging protocols: Why „powerful“ is not always „fast“. Once upon a time there were two wires and the most difficult part of charging was not to confuse plus with minus. Charging batteries today has nothing to do with that – along with plus and [...]
Navigating the jungle of fast-charging protocols: Why „powerful“ isn't always „fast.“ Once upon a time, there were two wires, and the most complicated part of charging was not mixing up the plus and the minus. Charging batteries today has nothing to do with that—alongside the plus and the minus, there is a continuous conversation between […]
FNIRSI LCR-ST2 Master Class: A Practical Guide to Precise Measurements Unlock the full potential of the FNIRSI LCR-ST2 Smart Tweezers with my practical tips and experience. After going through the ins and outs of DeepVNA together, FTX-1F and FTDX10, it’s time to pay attention to a tool that has quickly […]