Reminder: 630 Meter Berlin Treaty Commemorative Special Event is Sunday, November 13 (UTC)

Participants in the ARRL WD2XSH 630-meter experiment, Canadian radio amateurs, and members of the Maritime Radio Historical Society (MRHS) will join together for a special event operation on Sunday, November 13 (UTC) on 630 meters (the evening of Saturday, November 12, in US time zones). This event will commemorate International Radiotelegraph Conference, held in Berlin in 1906 and attended by r…

The K7RA Solar Update

At 0002 UTC on November 9, this geomagnetic warning was distributed by Australia’s Space Forecast Centre: SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 16/48 ISSUED AT 0002UT/09 NOVEMBER 2016 BY THE AUSTRALIAN SPACE FORECAST CENTRE. INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL HOLE HIGH SPEED WIND STREAM AND POSSIBLE GLANCING BLOW FROM CME ASSOCIATED WITH 05NOV FILAMENT ON 09-10 NOVEMBER 20…

“Noisy Electronics” Have Increased HF, VHF Noise Floors in UK, RSGB Reports Say

Radio Society of Great Britain (RSGB) HF Manager Ian Greenshields, G4FSU, says the noise floor continues to rise on the HF bands in the UK. He included that observation in his report to the October 29 RSGB Spectrum Forum. “The threat of PLT [power line telecommunications] for the last 10 years has largely been superseded by noisy electronics, in particular switch-mode power supplies in lighting …