HFU HF Underground
Technical Topics => The RF Workbench => Topic started by: ThaDood on February 22, 2026, 2112 UTC
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https://pu2clr.github.io/Small-Shortwave-Transmitter/ Certainly, some neat ideas to check out. (Thanks, Boomer!!!) Whether this be a low-level modulator, for something to amplify for a more powerful station, or just have it at u-levels for permissible Part 15 possibilities, nice & simple to try.