What can interfere with TV signal?
This interference may be caused by equipment in your home, such as hair dryers, sewing machines, electric drills, doorbell transformers, light switches, smartphone chargers, power supplies, computing devices, washing machines, clothes dryers, fluorescent lights, LED lights, or garage door openers. What causes loss of TV signal? Obstructions between the aerial and transmitter can cause problems. Trees are the most common …