What devices would you install to reduce or eliminate audio-frequency interference to home entertainment systems?

What should be done if a properly operating amateur station is the cause of interference to a nearby telephone?

What sound is heard from a publicaddress system if audio rectification of a nearby single-sideband phone transmission occurs?

What sound is heard from a publicaddress system if audio rectification of a nearby CW transmission occurs?

How can you minimize the possibility of audio rectification of your transmitter's signals?

An amateur transmitter is being heard across the entire dial of a broadcast receiver. The receiver is most probably suffering from:

Cross-modulation is usually caused by:

What device can be used to minimize the effect of RF pickup by audio wires connected to stereo speakers, intercom amplifiers, telephones, etc.?

Stereo speaker leads often act as antennas to pick up RF signals. What is one method you can use to minimize this effect?

One method of preventing RF from entering a stereo set through the speaker leads is to wrap each of the speaker leads around a:

Stereo amplifiers often have long leads which pick up transmitted signals because they act as: