What type of filter should be connected to a TV receiver as the first step in trying to prevent receiver overload from an amateur radio HF transmission?

Why

A high-pass filter blocks low frequencies while letting high ones through, which is exactly what a television needs to stop strong amateur radio HF signals from overloading its front end. The full explanation — and one for every question — is in Pro.

Practise this section

Interference and suppression is section B-008 of the Basic exam: When things interfere: harmonics, overload, RFI to and from your station, filters, ferrites and how to fix the neighbour's TV.

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