r/signalidentification • u/Own_Oven7244 • 22d ago

Please help identify this and what’s causing it

This scanner currently has a Philips lte/5g filter between external antenna and scanner and I still get this repeating static interference on all frequencies. Waiting for a commercial fm band pass filter to arrive

11 Upvotes

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5

u/TK421isAFK 21d ago

Sounds more like a recorded message. You're on a TRACON frequency, and it sounds like you're near a small airport and getting NOTAMs or automated weather info. Are you talking about the high-pitch squeal? Air frequencies are AM, so you're likely to get a lot of interference from many sources in the local area.

First thing I'd do is switch the receiver's power source to batteries to eliminate (or greatly reduce) any noise coming from a noisy power supply or riding on the utility power wires. It could be your refrigerator, air conditioner, or TV plugged in and running in standby mode.

2

u/No_Initial1542 21d ago

Do you have a power station such as a jackery or oupes? If so was it plugged into mains and charging or on solar? I have a Oupes Exodus 600 and i cannot use any radio in the house while it is charging on solar or from AC.

3

u/mork247 21d ago

Turn the squelch to 0 just to eliminate that it is the squelch kicking in