Mykhaylo

Thanks for literally almost everything and your time and effort. I must have been sleeping not to come across this before now. I am from Ukraine, you know that we have a war with Russia - a terrorist country. Every day our defenders - our guys die precisely from the large number of drones that Iran and China supply to Russia. I am an amateur in RTL-SDR. I bought a Raspberry PI 5, installed DragonOS, bought RTL-SDR v4, NanoVNA. Please tell me, step by step, or what I should read to make a device for...