Level 3 · Lesson 3.5

Interference and being a good neighbor

Jimmy Bob, a friendly cartoon mountain man in a trucker cap and overalls

“If your signal is in the neighbor's TV, you go knock on their door with a smile and a filter.”

You'll be able to

identify causes of interference and fix them.

Radio frequency interference () can flow in both directions. Your station can cause interference through , overdriven audio called , or RF on cables. , , proper grounding, and correct audio levels fix most problems. Household electronics such as LED lights and solar inverters can also create noise in your receiver.

Tap an underlined word for its meaning.

Try it

On-air activity

a troubleshooting tree for 4 interference cases.

This one happens on the air in The Shack, which opens in a later phase.

Quick check

Get 2 of 3 right to complete the lesson.

1. Overdriven audio that spreads out is called…
2. Which helps stop RF on cables?
3. QRN means…

Interference and being a good neighbor

You'll be able to

Try it

Quick check

Words from this lesson