Re: Please identify mystery signal

[Eric Ericson]

Thanks for the tips Jeff. 

I will get a HackRF in a few days with some more antennas and GNUradio/gqrx, now I have a generic rtl3832 with the tiny antenna that comes with the pack and this is nor enough for this signal, I realize that now. Thanks again.

/eric

On Fri, Jul 21, 2023 at 2:09 PM Jeff Long <willcode4@gmail.com> wrote:

Not really a GNU Radio thing, but here are a couple observations:

- The periodic splatter says some stage in the receiver is overloaded

- The fading, width, and sharp edges make this signal look like something that belongs at a much higher frequency

Wild guess: this signal is not actually in band - try less gain, filtering, etc.

On Fri, Jul 21, 2023 at 5:49 AM Eric Ericson <erik.ericson725@gmail.com> wrote:

I need to identify the mystery signal I’m receiving, because it's disturbing my reception.

The signal crawls through a frequency range, and seems to have 38 bands, plus a side band. The center frequency is variable as well.

I already looked through the SIGID Wiki, and none looks similar. No one has a Ham license nearby either. I would appreciate any help with this.

https://drive.google.com/file/d/1b2iaPFFAYXdnG5vpUBvcQe1URpQeEf4O/view?usp=sharing

With sound

https://drive.google.com/file/d/1PRqpiDHDI_18BkyTZYQAlc_W4_xoywaR/view?usp=sharing

No sound

https://drive.google.com/file/d/17rmICmakIPPoFi_UwaqFEviWs_tLm2xe/view?usp=sharing

No sound

---

https://drive.google.com/file/d/1l1OKWEMIZVpvUg1Hh8ysz-hnzKqXlZgI/view?usp=sharing

Without the mystery signal

https://docs.google.com/document/d/1OZhsFcIRUgHJx8NcM-gg3n8b1O1Gt9OpaJEMXLvchCI/edit?usp=drive_link

Still image

https://docs.google.com/document/d/1-FBimSCq6wbOV1JEk1W5ftj3XY1vinZIOsPFgLD52pY/edit?usp=sharing

Eric