Amateur

In winter, [Michael LeBlanc] he thought that a good way to spend his time during these long dark nights would be to create his own receiver for direct conversion. He managed to find plans for such a project easily enough online, but where is the fun in the following instructions? The end result includes what […]

They have several people send us this story. I’ve seen it everywhere. Many people are upset on several sides. 3D is a printed gun that can actually fire a shot. First, we have people who fear that this will lead to undetectable weapons of people who would not have had access before. Then we have

Regular Hackaday readers are accustomed to seeing hacks that use a cheap USB TV dongle as a software-defined radio (SDR). There is a lot of software that will work with them, including the excellent GNU Radio software. However, the hardware is quite bare. Without modifications, the USB key will not receive lower frequencies. There are

If I have to ask you which is the oldest artificial orbital satellite still in use, I expect to hear different answers. Space geeks may mention passive radar calibration spheres or possibly some of the early meteorological satellites. But what about the oldest communication is the satellite still in use? The answer is complex. Oscar

Sometimes words just have to be written for others. I’ve been on phone calls where the person on the other end is writing about me and it’s painful. “Was that ‘b’ or ‘p’?” Sometimes they will try to use words with the initial letter, trying to convey the letter: “B like a boy.” Then they