Collaborate Disseminate
A word of advice: If you see an old direct satellite TV dish put out to the curb, grab it before the trash collector does. Like microwave ovens, satellite dishes …read more Continue reading Minimal Mods Make Commodity LNBs Work for QO-100 Reception
The proliferation of software-defined radio (SDR) technology has been a godsend for RF hobbyists. SDR-based receivers and transmitters have gotten so cheap that you’ve probably got a stick or two …read more Continue reading Bringing Some Discipline to an SDR Transmitter
Those readers whose interests don’t lie in the world of amateur radio might have missed one of its firsts, for the last year or two amateurs have had their own …read more Continue reading A Satellite Upconverter Need Not Be Impossible To Make
Amateur radio operators like to say that working a contact in space can be done with a simple handheld transceiver and a homemade antenna. And while that’s true, it’s true only for low Earth orbit satellites such as the ISS. If you want to reach a satellite in geosynchronous orbit …read more
Continue reading A Hybrid Helical Antenna for the Es’hail-2 Geosynchronous Repeater