Shortwave Radio Recordings: UNID 12,365 kHz USB

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Yesterday, I posted a note about an unidentified station who was broadcasting the Chile v Mexico football game on 12,365 kHz USB. Several readers sent messages with reception reports, most of which indicated a signal strength of less than S5.

Several of us speculate that this could be a relay from a South American (perhaps Chilean?) shipping service for their fleet in the Pacific; hence the weak signal reports in North America. SWLing Post reader, @K7al_L3afta, suspects that it could even be an audio feed for a radio station.

We may never know, but it’ll be fun to listen for future broadcasts.

I recorded almost four hours of the station last night, starting around 22:00 UTC –during the Ecuador v Bolivia game–on my Elad FDM-S2 software defined receiver (see screen grab above). Below, I’ve embedded a 30 minute clip from the Chile v Mexico game, starting at approximately 23:45 UTC.

The FDM-S2 was hooked up to my large horizontal delta loop wire antenna.  The signal was certainly very much buried in the static at time. I could have improved the clarity of the signal by using the FDM-S2’s built in DSP noise reduction, but opted to keep the USB audio unaltered to better represent reception.

Click here to download this audio clip as an MP3, or simply listen via the embedded player below:

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One thought on “Shortwave Radio Recordings: UNID 12,365 kHz USB

  1. Aaron

    The unid station you heard was Radio Coopertiva out of Santiago Chile. It is listed on that freq at that time on the shortwve schedule app.


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