Example: dental hygienist
Locating RF Interference at HF
noise bursts from your receiver seem to stand still on an oscilloscope with trigger-ing set to LINE, the RFI might be power line related. RFI from consumer devices that appears at regular intervals across the band likely comes from a switching-mode power sup-ply. If the noise is pulsing it could be a bat-tery charger. Sharp periodic ticks could be
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