August 11, 2022

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine


Via the ARRL: UN Day Transmission from Sweden’s SAQ Set for October 24

On United Nations Day, Sunday, October 24, the vintage and historical Alexanderson alternator in Grimeton, Sweden, with call sign SAQ, is scheduled to send out a message to the world on 17.2 kHz CW. The events of the day will be livestreamed on YouTube starting at 14:25 UTC. Transmitter startup and tuning will begin at 1430 UTC, with the message transmission to follow at 1500 UTC.

This year’s message was drafted by Swedish human rights lawyer and sustainability expert Parul Sharma.

SAQ will conduct some test transmissions on October 22, 1100 UTC – 1400 UTC and will be on air for short periods during this interval. Comments are welcome to

For a guaranteed e-QSL, use the online report form, which will be open October 24 – November 14.

Dating from the 1920s, the Alexanderson alternator — essentially an ac alternator run at extremely high speed — can put out 200 kW but typically is operated at less than one-half that power level. Once providing reliable transatlantic communication, it is now a museum piece and only put on the air on special occasions.

Read more – via American Radio Relay League | Ham Radio Association and Resources

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