ARRL News
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The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: What happened? Solar Cycle 25 seemed well under way, but no new sunspots have emerged since December 23. The last time any sunspot was visible was January 2. On January 14, Spaceweather.com posted, “Welcome back, solar minimum.”
Average daily solar flux declined from 78.6 to 73.8. Geomagnetic A index remained quiet. Predicted solar flux for the next 30 days is 7...
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International Amateur Radio Union Preparing for WRC-23
Preparations continue on the part of the International Amateur Radio Union (IARU) to represent the interests of the amateur and amateur-satellite services at World Radiocommunication Conference 2023 (WRC-23). The International Telecommunication Union (ITU) sponsors WRCs, typically every 4 years, to consider revisions to the international Radio Regulations that define frequency allocations for v...
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New Amateur VLF Transatlantic Record Set
Very low frequency (VLF) enthusiast Joe Craig, VO1NA, reports that Stefan Schaefer, DK7FC, copied his 50-character message transmitted from Newfoundland on 8.271 kHz, with a radiated power of 10 mW.
“This is a new record for amateur transatlantic VLF,” Craig told ARRL. “The mode used was EbNaut by Paul Nicholson. EbNaut is a synchronous coherent BPSK mode for use at VLF and low LF. Craig’s tower...
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AMSAT/Vanderbilt RadFXSat-2/Fox 1E Set to Launch
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Dayton Hamvention Cancels 2021 Show