Category Archives: What’s On Shortwave

The vital role of radio in North Korea

Many thanks to SWLing Post reader, Ulis, who recently shared a link to this story in the DailyNK. Here’s an excerpt: In the case of loudspeaker broadcasts, which roiled the North, eventually leading to artillery fire, it can only be … Continue reading

Posted in Broadcasters, International Broadcasting, News, Propaganda, Shortwave Radio, What's On Shortwave | Tagged , , , , | 5 Comments

The Enigma Event: an on-air exchange of encrypted messages

(Source: Southgate ARC) Members of the ARI Fidenza will be activating special callsigns IO4ENG and IQ4FE during the ‘Enigma Event’. The Enigma Event consists of exchanging ham radio messages over the air encrypted with the Enigma code of WW II … Continue reading

Posted in Ham Radio, News, Shortwave Radio, Specials, What's On Shortwave | Tagged , , | 2 Comments

Alex’s updated frequency charts

SWLing Post reader, Alex, has just informed me that he’s updated his printer-friendly shortwave frequency charts for the winter broadcasting season. Note that Alex creates his charts based on listening to broadcasters rather than importing schedules from other sources. You can download the free charts … Continue reading

Posted in News, Schedules, Schedules and Frequencies, Shortwave Radio, What's On Shortwave | Tagged , , | 2 Comments

Labor Day weekend: a great time for pirate radio action

Monday, September 7, is Labor Day throughout most of North America; shortwave pirates love to operate on long holiday weekends (though you can hear them most any weekend for that matter). So, if you’ve never heard a live pirate station … Continue reading

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Shortwave Radio Recordings: Channel Africa

Despite dismal propagation, I was quite happy to receive a relatively strong signal earlier this week (31 August 2015) from Channel Africa, starting around 16:40 UTC on 15,235 kHz. This recording begins with the French language service (already in progress), followed … Continue reading

Posted in News, Recordings, Shortwave Radio, What's On Shortwave | Tagged , , , , | 1 Comment

Using synchronous detection and notch filter to eliminate het noise

A few days ago, I tuned to 9,420 kHz and found a relatively strong signal from the Avlis transmitter site of the Voice of Greece. The broadcast was quite clear until a heterodyne (het) tone popped up out of nowhere. … Continue reading

Posted in AM, How To, News, Recordings, Shortwave Radio, Software Defined Radio, What's On Shortwave | Tagged , , , , , , | 5 Comments

Jim’s shortwave listening post is a Navy ship

SWLing Post contributor, Jim Clary (ND9M/VQ9JC) contacted me in June to obtain details about the BBC’s Midwinter broadcast to the British Antarctic Survey Team. Jim has been working on board the USNS Sgt William R Button since mid-June. While on board Jim … Continue reading

Posted in Mobile Shortwave, News, Recordings, Shortwave Radio, SWLers, Travel, Uncategorized, What's On Shortwave | Tagged , , , , , , , | 3 Comments