NEW-CYCLE SUNSPOT ACTIVITY: Solar Cycle 25 is gaining strength. Today there are two new-cycle sunspots on the solar disk: AR2767 and AR2768. Both have magnetic polarities that identify them as members of Solar Cycle 25. Neither appears to pose a threat for strong solar flares, though, so the quiet of Solar Minimum continues. Aurora alerts: SMS Text.
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchas... Read more
The bhi GroundBreaker audio unit isolates the grounds on your bhi DSP noise cancelling product or other ancillary equipment from those of the radio sy... Read more
SDRplay Raspberry Pi Bringing the Radio Spectrum to your computer: In this video we show the process of downloading an SD card image for a Raspberry P... Read more
Once again RFinder and RT Systems have partnered to kick radio programming up a notch. This tutorial will show you how to get the most o... Read more
Radio Waves The modern world is awash in a sea of radio waves — currents of electromagnetic radiation upon which our digital lives depend. What if you... Read more