Working DL1YC to test the Yaesu FT-990 & power suppy with a ferrite core, for no RF into AF leakage

Hi there, I worked this station (DL1YC) at the weekend, asking for an audio report to check that previous issues of RF leaking into the audio using the same PSU were sorted. Amazing what difference a large ferrite core makes! By the way, the operator of this station, Jan, near Münster is an absolute gentleman.

Thanks for watching.

Keep safe.

73s

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