Interference

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Common sources of interference include:
> Adjacent channel interference (a very strong station one channel up or down). R1
> Co-channel interference (two weak stations on the same channel). R1
> Multi-path interference (usually caused by the direct path being blocked). R1,R2
> A very close transmitter (a neighborhood FM station, police station, taxi company, etc.). R1,R3
> An industrial noise source (a factory, a clinic, a malfunctioning power transformer). R1
> Household appliances. R4
> Light dimmers. R4
> Fluorescent lights. R4

Remedies:
R1