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The International Amateur Radio Union has been the worldwide voice of radio amateurs, securing and safeguarding the amateur radio spectrum since 1925. Read more about us →

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Solar Cycle 25 exceeds all Predictions
The current solar cycle 25 far exceeds the predictions of the international panel convened for this purpose in 2019. The observed solar cycle is represented by the sunspot number in the top diagram and the F10.7cm radio flux in the …
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2023 HAMChallenge
We are looking for your ideas! We are inviting you to take part in one of the HAMChallenges: Amateur Radio is about fun, radio communications, technology, experimentation, self-training, and friendship. Do you have a mind-blowing idea you would like to share …
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