SWLing PostJan 17

Can you help Carlos ID this CW signal on 8207 kHz?

https://swling.com/blog/2026/01/can-you-help-carlos-id-this-cw-signal-on-8207-khz/

#CW #MysterySignals

Can you help Carlos ID this CW signal on 8207 kHz?

Many thanks to SWLing Post contributor Carlos Latuff, who writes: Dear Thomas, I was doing my morning radio listening on the Guaíba waterfront in Porto Alegre, Brazil, when I came across this Morse…

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SWLing PostJan 11

Mystery Station … Solved

https://swling.com/blog/2026/01/mystery-station-solved/

#DonMoore #DuyenHaiVietnamInformationStation #HaiPhongMarineRadioStation #MysterySignals #NhaTrangMarineRadioStation #VietnamMaritimeCommunicationsAndElectronicsCompany #Vishipel #VishipelCoastalRadioNetwork

Mystery Station … Solved

By Don Moore Don’s traveling DX stories can be found in his book Tales of a Vagabond DXer [SWLing Post affiliate link]. If you’ve already read his book and enjoyed it, do Don a favor and leave a re…

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SWLing PostJan 1

A Mystery Station from Vietnam

https://swling.com/blog/2026/01/a-mystery-station-from-vietnam/

#DonMoore #MysterySignals

A Mystery Station from Vietnam

By Don Moore Don’s traveling DX stories can be found in his book Tales of a Vagabond DXer [SWLing Post affiliate link]. If you’ve already read his book and enjoyed it, do Don a favor and leave a re…

The SWLing Post
The Count of KrigsvoldJul 22, 2025
Strange radio pulses detected beneath Antarctica are defying known physics—and scientists are searching for answers. #Antarctica #ParticlePhysics #MysterySignals https://newatlas.com/physics/mysterious-radio-pulses-beneath-antarctica-defy-rules-of-particle-physics/
Mysterious radio pulses beneath Antarctica defy rules of particle physics

It may sound like a plot twist out of a science fiction novel, but researchers have detected mysterious radio signals coming from beneath the Antarctic ice that appear to be inconsistent with the standard models of particle physics.

New Atlas
SWLing PostAug 7, 2024

Can you help Dan solve this 50 year old radio mystery?

https://swling.com/blog/2024/08/can-you-help-dan-solve-this-50-year-old-radio-mystery/

#DanGreenall #MysterySignals #Recordings #VoiceMirrors

Can you help Dan solve this 50 year old radio mystery?

Many thanks to SWLing Post and Shortwave Radio Audio Archive contributor, Dan Greenall, who writes: Hi Thomas From the early 1970’s, where sadly, some of my original logbooks went missing man…

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SWLing PostJun 17, 2024

Can you help Dan identify this mystery interval signal?

https://swling.com/blog/2024/06/can-you-help-dan-identify-this-mystery-interval-signal/

#DanGreenall #IntervalSignals #MysterySignals

Can you help Dan identify this mystery interval signal?

Many thanks to Dan Greenall, one of our dedicated Shortwave Radio Audio Archive contributors, who writes: Hi Thomas I was going over a few of my old cassettes today and discovered what seems to be …

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SWLing PostDec 4, 2023

Patrizio seeks information about mystery signals he’s discovering across the HF bands

https://swling.com/blog/2023/12/patrizio-seeks-information-about-mystery-signals-hes-discovering-across-the-hf-bands/

#2013ShortwaveRadioGiftGuide #MysterySignals #PatrizioCardelli #Utility

Patrizio seeks information about mystery signals he’s discovering across the HF bands

Many thanks to SWLing Post contributor, Patrizio Cardelli, who has discovered some interesting signals on the HF bands and is seeking information about them. A little background: Patrizio asked me …

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SWLing PostNov 21, 2023

Midway Island Radio Terminal 1971: Digging up the past and a mystery signal…

https://swling.com/blog/2023/11/midway-island-radio-terminal-1971-digging-up-the-past-and-a-mystery-signal/

#DanGreenall #MidwayIsland #MysterySignals #ShortwaveRadio

Midway Island Radio Terminal 1971: Digging up the past and a mystery signal…

Many thanks to SWLing Post and Shortwave Radio Audio Archive contributor, Dan Greenall, who shares the following post: Midway Island Radio Terminal 1971 – digging up the past It was a brief “milita…

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SWLing PostNov 12, 2023

Can you help Carlos identify this station?

https://swling.com/blog/2023/11/can-you-help-carlos-identify-this-station/

#CarlosLatuff #MysterySignals #PirateRadio #Recordings

Can you help Carlos identify this station?

Many thanks to SWLing Post contributor, Carlos Latuff, who writes: Hey Thomas, just got a broadcast (Nov 5, 2023) on 21640 kHz, from 15h30 to 16h00 UTC here in Rio de Janeiro. A potpourri of pop ro…

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SWLing PostAug 23, 2023

Can you help Bob identify this mystery signal?

https://swling.com/blog/2023/08/can-you-help-bob-identify-this-mystery-signal/

#MysterySignals #shortwave

Can you help Bob identify this mystery signal?

Many thanks to SWLing Post contributor, Bob (K7ZB), who shares the following note and recording:  Hi Thomas, I recently started using an SDRplay RSP1A with their new software release SDRconnect. Qu…

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