When Japan’s SLIM lunar lander made a rather unconventional touch-down on the lunar surface, it had already disgorged two small lunar excursion vehicles from its innards: LEV-1 and LEV-2. Of these, ...
Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional repeaters. It stands to reason that with an SDR and GNU Radio, you could send and ...
Increasing CO2 levels are triggering changes in the ionosphere that will adversely affect signals, say scientists ...
The author is chairman of Digital Radio Mondiale. When is the last time you heard a shortwave radio transmission? And why should you put up with possible crackly audio and some interference when we ...
If you tune a shortwave radio to 2.5, 5, 10 or 15 MHz, you can hear a little part of radio history — and the output of some of the most accurate time devices on Earth. Depending on where you are in ...
The second season of The Divided Dial, a series by WNYC's On the Media, explores the ideological battles playing out on shortwave radio, which can reach across continents. NINA MOINI: We've been ...
Numerous commenters have told the FCC that a proposal to “modernize” the shortwave band is a threat to amateur radio operators in the United States and possibly the end of ham radio as we know it. And ...
ABSTRACT The seasonal shortwave radiation budget at the surface of the Southern Hemisphere was estimated, for 10° latitudinal zones, using a radiative transfer model with long-term mean monthly ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results