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Page last updated on: Sunday, January 2, 2022

New low power limit for ARRL HF contests

The ARRL has set a new standard for what counts as low power for ARRL-sponsored HF contests. The new limit is 100 W, which is down from the 150 W limit that has been permitted in some events, including the ARRL November Sweepstakes.

With the exception of the ARRL Field Day, this change goes into effect on 1 January 2022, for all ARRL-sponsored HF contests, as well as the IARU HF World Championship in July 2022.

This change has been implemented to standardize low-power categories within the contesting community. However, on a more practical level, the typical modern HF transceiver has a maximum power output of 100 W

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