r/signalidentification

Electronic Harassment - Any idea on these signals?

Electronic Harassment - Any idea on these signals?

Has been consistent for several months now; only just got a scientific microphone to pick up what the fuck might be happening.

As you can see there is a bunch of _HEAVY_ signals coming from the low Hz range, any idea what they could be? The blue one with a signal underlaid is my biggest worry.

I have plenty more taken of different signals being present, being turned off, coming back on. Available for interest.

PC is running as standard; microphone is through a DAC.

▲ 2 r/signalidentification+3 crossposts

3D Spectrum Visualizer Audio

Check it out: https://artearnbadge.com/vibe-os/image-to-3d/ Would love to hear your feedback on the performance!

Hey everyone! I built this tool that transforms any avatar or image into a reactive 3D spectrum. It’s powered by WebGL/Three.js and supports file uploads, microphone input, and screen sharing for total reactivity. You can manipulate the camera with your mouse and tweak pixel density, backgrounds, and generators.

u/KURTHDS — 2 days ago
▲ 7 r/signalidentification+1 crossposts

Apparently this is a frequency machine but I’m not sure. Second image is “ enhanced “ with a filter to make it easier to see.

Thanks !

u/BananaWhitePeper — 4 days ago

Comb Interference

Pardon the not great pictures.
Trying to understand what I am looking at.
I understand that this somekind of signal that repeats looks like every 60khz. It comes and goes. I know its not an internal issue to radio and psu. Any advice is appreciated.

u/DunkenChewie — 5 days ago

Newbie question

Hi all found the quite strong signal with my SDR, its not voice just a static sound. How do i go about identifying theses types of signals?

u/Cultural_Ad_525 — 6 days ago

Recieved in southern france, it cut at exactly 7pm What kind of transmission this is? it has some morse and random beeps in it

u/123321mario — 8 days ago

Weird cw like thing on pmr446 (slightly below it at ~445.85MHz)

Looks like really slow morse, or something multi tone, can anyone help me tell what it is? (Recorded using my own web sdr, used the cw decoder to have a better look at the signal)

u/Simonko-912 — 8 days ago
▲ 24 r/signalidentification+1 crossposts

Couldn’t identify this…

Hello everyone, I have been seeing this signal a lot on my private OpenWebRx instance. I checked SigIdWiki and apparently a similar one appears as unidentified. Has anyone heard or seen it? I’m in North America. 😊

u/marshmallowesponjoso — 10 days ago

Some sort of radar? Received 13.5.2026 around 10.40 UTC, Northern Finland

I encountered a weird frequency changing signal I've never seen before. It's right next to a kontayner (?) signal so could it be related to that?

streamable.com
u/yamama420 — 9 days ago

Unknown repeating Morse signal on SW around 4.5 MHz – anyone know what it might be?

Hi everyone,

I received a repeating Morse-like signal on shortwave around 4.5 MHz.

Date: February 8, 2025

Time: around 21:46 (local time / UTC+8)

Location: Indonesia

The signal sounded like repeating CW/Morse continuously.

I’m still learning about SW and RF, so I’m curious what this could be.

Could this be a beacon, utility station, or something else?

u/RozzKiv — 12 days ago