Gary B. Fogel·6d agoThe Origin of Radio-Controlled Soaring in the United StatesModern unmanned aircraft systems have considerable diversity, scale, and missions. The technological puzzle of outfitting full-sized…
InRadio HackersbyInvestigator515·Oct 11The Anatomy of a Signal: MHz, Bandwidth, and Noise ExplainedSignals & the spectrum at large come with some unique characteristics.
InN2RAC | DU2XXR Amateur Radio and CommunicationsbyJ. Angelo Racoma N2RAC/DU2XXR·Sep 16How Gatekeeping Can Drive People Away From a HobbyWhen credentials, seniority, or gear become a way to decide who belongs, a hobby can start pushing people away.
Cristian Stanca·Sep 7I Watched Solar Flux Numbers for Weeks Before a VHF Contest.Every VHF contest guide tells you to track the sun the way HF operators do. The propagation that decides the September contest mostly…
John·Aug 27From a Missing Safety Check to AntennaGuardian for Flex RadiosHow a question about antenna selection became a tested Windows application, a Raspberry Pi service, and an open-source human-AI…
Yashvardhan Sanghi·Aug 9When Physics Class Finally Explained My Ham RadioGetting my amateur radio licence meant learning a lot of new ideas at once. How radio waves travel, what oscillators and rectifiers do, how…
Luke McConoughey·Aug 9Mapping Ionospheric Anomalies With a New HF Digital Mode: H-Mode v2H-Mode v2: an open HF waveform that treats ionospheric errors as the primary observable
Cristian Stanca·Jul 24Solar Cycle 25 Is Fading. My Best Summer Contacts Don’t Care.Everyone’s mourning the sunspot peak. But the band that opens for me every July runs on a mechanism the Sun’s cycle has nothing to do with.
Yashvardhan Sanghi·Jul 8Ham Radio Over the Internet: How EchoLink Connects Me to the 9 PM NetA little while ago, I wrote about why amateur radio still matters. My main argument was independence. No cell towers, no servers, no…
