Amateur Radio Classifieds UK

Amateur Radio Tools

Free tools for amateur radio operators by Nathan M0NXD

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FM Splatter Simulator

Visualise what happens when your mic gain is too high on FM. See overdeviation, splatter energy, and adjacent-channel interference in real time.

FM / VHF / UHF
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SSB Splatter Simulator

Explore IMD from PA nonlinearity on SSB. Compare linear, soft, and hard clip PA models with two-tone tests and speech signals.

SSB / HF
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FT-710 Voice EQ Advisor

Record your voice and get personalised parametric EQ settings for the Yaesu FT-710, optimised for DX and punchy audio that cuts through the pile-up.

Yaesu FT-710 / EQ

These tools are intended as learning aids and starting points, not definitive guides. Results may not be perfectly accurate and should be used alongside your own judgement and experience. No guarantees are made regarding the accuracy of any output.