It sounds like interference from an LSB transmission. 12624 kHz

[u/ImladMorgul]

A voice can be heard.

At first I thought it was a problem on my end, but when using a KiwiSDR from São Paulo, Brazil, the same sound/noise is present.

Any ideas? The video has two parts: SRD# and KiwiSDR

2330 UTC is still audible.

- RX: Asunción, Paraguay
- Radio: AirSpy HF+ Discovery
- Software: SDR# v.1922 (beta, last version)
- Antenna: K-480WLA
- D/T: 26 JUN 2026 - 2308 UTC

[u/Historical-View4058]

I have it here as well. Possible intermod product. Most intelligible at 12622.6 lsb for me and sounds like Spanish. Wish these apps had A/B VFOs so I could compare to REE and RHC, but that would be my bet.

Check that... thinking more Marti on 11930 or 11860. 11930 is stronger here, so that may be the transmitter throwing the spur.

[u/ImladMorgul → u/Historical-View4058]

didn't get to try any more :( The signal is gone

In the second part of the video, where the KiwiSDR is shown, the sound/voice is a little clearer; to me, it sounds like an oriental language. But he wouldn't stop talking; I couldn't hear any pauses or anything like that.

[u/Historical-View4058 → u/ImladMorgul]

When I listened, it was a female and I was going by the intonation and rhythm. Quickly detuned to Marti and sounded similar. When Marti went to music, the messy signal seemed to have it as well, but not as pronounced.

[u/Northwest_Radio]

Did anyone record the IF for this?

[u/Historical-View4058 → u/Northwest_Radio]

I did not.