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Updated 2025-04-21 08:32
Jock designs a Horizontal Room Loop to cope with reception issues
Many thanks to SWLing Post contributor, Jock Elliott, who shares the following guest post: Got reception issues? An idea worth considering: the “Horizontal Room Loop.” by Jock Elliott (KB2GOM) When my radio room was in the front of the house (on the east side), it was easy to run a feedline to a large RF-hungry […]
Analog Devices MxFE RF Data Converter Transceivers could be an SDR game changer
Many thanks to SWLing Post contributor, Paul Evans, who shares info about the new Analog Devices MxFE and notes that it could be a game changer in the world of software defined radio: This does sound like a very robust and powerful platform although I’m not an engineer so can’t speak to how it might […]
Possible frequencies for the 2021 BBC Midwinter Broadcast
Click here to read an update to this post (17 June 2021). Many thanks to SWLing Post contributor, Richard Langley, who follows up with the following information about the 2021 Midwinter Broadcast to Antarctica: As usual, there was a test of this year’s possible frequencies yesterday (14 June) from 21:30 to 21:45 UTC. They were: […]
Radio Waves: “Tuning In The World”, Subcarrier Signals, SSTV Event from the ISS, the Zeptosecond and Israel Army Radio Shut Down
Radio Waves: Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers. To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting […]
FTIOM & UBMP, June 20-26
From the Isle of Music, June 20-26: Part 1 of 2 parts: This week, our guest is Rodney Barreto, winner of the Making Of category in this year’s Cubadisco and a nominee in Jazz for Drummer Negrito. He also performed in several other nominees and winners of Cubadisco. Our conversation will be in English. The […]
The 2021 BBC Midwinter Broadcast to Antarctica next week!
Many thanks to SWLing Post contributor, David (G4EDR), who writes: I know that you and many of the readers of the SWLing Post like to tune into the annual BBC WS Antarctic Mid Winter broadcast. I requested some information from the BDXC (of which I am a member) about this year’s broadcast and got the […]
Guest Post: Dikeside Icom IC-705 RX action
Many thanks to SWLing Post contributor, 13dka, who shares the following guest post: The IC-705 in action at the dike by 13dka When I got the IC-705 in late October 2020, I didn’t get that much chance to enjoy it at the dike: After a couple of initial tests and 2 nightly “FYBO” MW DX sessions in November, […]
Dan spots a number of radios in the Netflix series “Sweet Tooth”
Many thanks to SWLing Post contributor, Dan Van Hoy (VR2HF), who notes that he spotted a number of radios including the Kenwood TS-930S in the new Netflix series, Sweet Tooth (see above). He writes: [Also] seen in the last minutes of the final episode of season one: An AWA (Amalgamated Wireless Australasia) Teleradio Model 110H […]
More Comb Stereo Broadcasts via Radio Gum Tree June 18 & 25, 2021
Many thanks to SWLing Post contributor, TomL, who notes: Episode 2 of Radio Gum Tree will be rebroadcast this coming Friday night June 18, 2021 at 9:45 EDT on on 5850 kHz in case anyone missed it. Episode 3 should be on June 25. You can find the program notes for these Test broadcasts at this web site […]
Pre-Detection Recordings: Any in existence, declassified and accessible–?
Many thanks to SWLing Post contributor, Chip, who writes: I remember reading a number of years ago that the NRO/NSA was the largest consumer of magnetic tape, utilized for pre-detection recordings of various spans of spectrum, all over the world. I’m wondering if those tapes become declassified at some point, and if they are available […]
KFOG broadcasts on June 20th and 26th, 2021 via Channel 292
Many thanks to SWLing Post contributor, Pete Madtone, who shares the following: KFOG takes to the high seas via Channel 292 on Sunday June 20th 2021 at 1200 UTC (11am UK time) and on Saturday June 26th at 0900 utc (8am UK time) on 6070 kHz. Expect tunes in a nautical style and “see the glimmer from a distant lighthouse, as the buoys ding and the (radio) […]
A Super-Charged Solar Cycle 25?!
There’s an interesting post from spaceweather.com about two scientists who believe they have found evidence of solar activity which might indicate a super-cycle rivaling the best solar cycles ever recorded. (I, for one, would be thrilled for this since the last such super-cycle seems to have been before I was born, and that was a […]
Dan reviews latest firmware version of the Tecsun PL-368 and shares list of hidden features
Many thanks to SWLing Post contributor, Dan Robinson, who shares the following guest post: Revisiting the Tecsun PL-368: Assessing a Later Firmware Unit by Dan Robinson This past April, I reviewed Tecsun’s PL-368, the update of the PL-365 (also sold by CountyComm as the GP5). There were some major changes: Tecsun shifted from AA batteries to a flat […]
Lithuania: 95th anniversary of first radio transmission
Many thanks to SWLing Post contributor, Giedrius Blagnys, who notes: The first national radio broadcast in Lithuania started on 1926-06-12 d. Photo above: the mic used for the first broadcast. Recording of the first transmission: Many thanks for sharing this interesting bit of history with us, Giedrius!
Fran Blanche opens a Retekess TR604 DSP AM/FM radio
Many thanks to my buddy, Skip, who shared the following video on his Facebook page: Click here to view on YouTube.
The Icom IC-705: Is this really a new holy grail SWL/BCL receiver?
Many thanks to SWLing Post contributor, 13dka, who shares the following guest post: The Icom IC-705: Is this really a new holy grail SWL/BCL receiver? by 13dka When Thomas got wind of its development in 2019 he immediately asked “could the Icom IC-705 be a shortwave listeners holy grail receiver?”. I usually wince a little when […]
Radio Waves: The silence of RCI, Cox Radio Hit by Ransomware, Asheville Radio Museum Reopens, and New Aluminium-Ion Battery Chemistry
Radio Waves: Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers. To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting […]
FTIOM & UBMP, June 13-19
From the Isle of Music, June 13-19: Part 2 of 2 parts: This week, our guest is Alejandro Falcón, a Cubadisco nominee in multiple recordings in several different genres. Also, music from Ecos de Tivoli, a nominee in the Archivo y Versiones category with their tribute to Trio Matamoros. The broadcasts take place: 1. For […]
Can you ID this ham radio digital signal for Rob?
Many thanks to SWLing Post contributor, Rob, who writes: I have a question about the digital signals I received today during what must have been an E skip opening to the southwest. Can you identify by the bandwidth the wide signal in one screen capture vs. the normal FT8 signals which were decoding today quite […]
Icom IC-7300 and IC-705 SWL frequency files?
Many thanks to SWLing Post contributor, Dave, who writes asking if any Icom IC-705 or IC-7300 owners have created a database of SWL frequencies that could be imported into memory. I think this is a great idea as both transceivers are quite capable shortwave listening receivers. If you have a database file and would like […]
The North Wall Arts Centre Project built around “isolation, fear and the last vestiges of analogue in a world turning digital”
Many thanks to SWLing Post contributor, Dave Porter, who shares information about a multi-media arts project set at the North Hessary Tor Transmitter site in Devon, England. Dave writes: A little while back I was contacted by Alex Robins as he and others were involved in an Arts Project centred round the North Hessary Tor […]
Carlos seeks clarity about another CW station
Many thanks to SWLing Post contributor, Carlos Latuff, who writes: Today (June 5, 2021) I heard another mysterious CW transmission here in Rio Grande do Sul coast, this time on 8779 kHz, 18h31 UTC. I did some research and this frequency is related to Rome Radio (which is no longer transmitting in CW) and a […]
Radio Waves: Shedding Light on the Hindenburg, Chip Shortages, NPR at 50, and July 4th SAQ Grimeton Transmission
Radio Waves: Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers. To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting […]
Medium Wave Circle website sports updates and upgrades
Many thanks to SWLing Post contributor, Steve Whitt, who writes: Hello Thomas Just a brief note to tell you about exciting developments here at the Medium Wave Circle. We’ve just launched our new-look website at https://mwcircle.org/ And we’d like to share the news far and wide. Some of the features of the new website are: […]
Can you help Carlos identify this CW station?
Many thanks to SWLing Post contributor, Carlos Latuff, who writes: Hey Tom, Check out this recording. I heard it today on 16976 kHz USB, at 13h08 UTC, here in Tramandai coast, Rio Grande do Sul, Brazil. Maybe your readers may have an idea what is this CW about? Thank you for sharing this, Carlos! Post […]
Alan Roe’s A21 season guide to music on shortwave (version 3 update)
Many thanks to SWLing Post contributor, Alan Roe, who shares his latest A21 season guide to music on shortwave. Click here to download Music on Shortwave A-21 v3 (PDF) Note that we’ve created a permanent page for Alan Roe’s guides! This page will always have the latest version of Alan’s guide available for download.
Four weeks of Comb Stereo tests via WRMI!
Many thanks to SWLing Post contributor, TomL, who has put together a four week series of Comb Stereo tests that will be aired on WRMI. Here’s the full announcement: Starting this Saturday June 5 at 01:45-02:00 UTC (Friday 9:45pm EDT), I will be conducting a four-week series of tests using Comb Stereo. The broadcast will […]
Radio Emma Toc World Service: June 2021 Schedule Summary
Man thanks to SWLing Post contributor, Jim Salmon (2E0RMI), for sharing the following: RADIO EMMA TOC WORLD SERVICE – SCHEDULE SUMMARY – JUNE 2021 Programme Contents – Solar powered radios in South Sudan & Radio Miraya / interview with Martin Kirby from ‘The Flash’ / hellos to listeners / the Voice of Peace Ways to […]
FTIOM & UBMP, June 6-12, 2021
From the Isle of Music, June 6-12: Part 1 of 2 parts: This week, our guest is Alejandro Falcón, a Cubadisco nominee in multiple recordings in several different genres. The broadcasts take place: 1. For Eastern Europe but audible well beyond the target area in most of the Eastern Hemisphere (including parts of East Asia […]
Giuseppe’s Tecsun S-8800 aluminum case is a self-contained listening post!
Many thanks to SWLing Post contributor, Giuseppe Morlè (IZ0GZW), who shares the following video and notes: I recently bought a Tecsun S-8800 to be used mainly on shortwave. I carry it in an aluminum case to use it everywhere: Many thanks for sharing this, Giuseppe! I love the integrated antenna–so clever! Post readers: Giuseppe has […]
Check out the British Vintage Wireless Society auction!
Many thanks to SWLing Post contributor, Kris Partridge, who shares a link to the following radio auction via the British Vintage Wireless Society: https://www.bvws.org.uk/auctions/photos.php/2021-06-04-online-auction Kris notes: The online auction link, above, has 1499 photos of 310 lots. Not a small viewing..! There is only one small proviso, you have to be a member of the […]
Don recommends Radio Boulevard for a deep dive into radio history!
Many thanks to SWLing Post contributor, Don (W7SSB), who writes: Hi Thomas, One of my friends has probably the best museum in the history of radio ! https://www.radioblvd.com/ Your readers can spend days looking at all the information from the early days to present ! Plenty of pictures! Don W7SSB Thank you for the tip, […]
Guest Post: Remembering the great “Radio Moving Day” of 1941
Many thanks to SWLing Post contributor, Bill Hemphill, who shares the following guest post and addendum to his most recent post on BBC Re-Tune messages: Radio Moving Day by Bill Hemphill (WD9EQD) After listening to the BBC “Re-Tune” broadcasts, it reminded me of when the United States had its own “Re-Tune” day on March 29, […]
Marwan discovers this Philco console at a family home
Many thanks to SWLing Post contributor, Marwan Baayoun, who writes: Hello Thomas, I hope this email finds you and yours well and in good health. Before our trip to Turkey next Sunday, my wife and I went to see our three month and only grand kid we have. In her play room I noticed that […]
More Tecsun S-8800 hidden features/adjustments
Many thanks to SWLing Post contributor, Dan Robinson, who has recently been in touch with Anna at Anon-Co and discovered a few Tecsun S-8800 hidden features we haven’t mentioned in the past. Anna notes: There are some hidden features for this model that are worth mentioning, and are available on all S-8800 radios, also the […]
BBC Radio Stations Broadcasting Re-Tune Instructions
Many thanks to SWLing Post contributor, Bill Hemphill (WD9EQD), who writes: Hi Thomas, The BBC in their transition to digital radio has started closing some of their AM radio stations. See following link: https://www.bbc.co.uk/reception/work-warning/news/mw-closures-2021 The AM stations being closed are broadcasting “Re-Tune” instructions on their frequencies. Not sure how long they will be doing this. […]
Zack’s Sony ICF-S5W
In reply to our Caveat Emptor post, many thanks to SWLing Post contributor, Zack (N8FNR), who writes: Attached is a copy of the Sony brochure for the ICF-S5W, a photo of the front and also the inside. This is a fairly old rare radio and some of your readers might enjoy the following. I just […]
Radio Waves: Ireland and Northern Ireland Masses On The Air, Radio History Film, Improving ULR FM reception, UsedRadioMall.com, and Observations Needed for June 2021 Arctic Eclipse
Radio Waves: Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers. To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting […]
Videos: Nick explores synchronous detection and the Racal 6217
Many thanks to SWLing Post contributor, Nick Boras, who shares the following: I was motivated by one of Tom Styles videos (hamrad88) about Sync detection to make one of my own. It is no secret that Tecsun offers Sync on several of their radios but only the 660 and 680 really work. My take on […]
SDRplay’s article regarding counterfeit products and how to avoid them
SDRplay recently posted this article which focuses on counterfeit products. It’s a worthy read. They’ve seen an uptick of people contacting them believing they’ve purchased a genuine SDRplay SDR only to discover it’s a counterfeit and will not work with new SDR Uno releases. As I’ve mentioned before: I’m not a fan of counterfeits and […]
KDUB on WRMI: Sunday, May 30, 2021
Many thanks to SWLing Post contributor, Pete Madtone, who shares the following: Just a quick one to report that the KDUB broadcast from earlier this year will be repeated on WRMI this Sunday May 30th at 2300 UTC or Midnight UK time on 9395 kHz on the shortwaves. There’s a mix from One Deck Pete called “In Dub for KDUB” at 3.09 minutes in. All the shows from the KMTS (or […]
Caveat Emptor: A quick note about buying vintage solid state radios
After posting links to a few used radios online yesterday, SWLing Post contributor, Jim Teddford, commented: The thing to remember when buying solid state mulitiband radios online is that you’re buying “a pig in a poke.” Meaning you are buying a radio at your own risk. Radios from the 70s/80s/90s-(Panasonic Command Series and the Sony […]
FTIOM & UBMP, May 30-June 5
From the Isle of Music, May 30-June 5: This week, our guest is Ernesto Vega, whose album Tradition and Beyond won the Jazz category in Cubadisco 2020-2021. This will be one of our rare conversations in English with sublime jazz. The broadcasts take place: 1. For Eastern Europe but audible well beyond the target area […]
A few used radios worth consideration
Yesterday, I got two tips from readers regarding deals on some used radios. First off, Richard Stahl, noted this Panasonic RF-2600 being sold on QTH.com for $110.00. The photo is a little blurry, but the seller notes: A nice condition looking and playing radio that has no damage or smoke smell etc. The only item […]
Stephan’s replacement Sangean ATS-909X2 has a few issues
Many thanks to SWLing Post contributor, Stephan, who shares a follow-up report after receiving a replacement Sangean AT-909X2 from Sangean Europe. Click here to read Stephan’s initial report along with Sangean America’s comments. Stephan shares the following update: Below are some of my observations on my recently arrived ATS-909×2. I spent two week-ends to carefully […]
Indy 500 Week Marks the Second W9IMS Special Event of 2021
Indy 500 Week Marks the Second W9IMS Special Event of 2021 By Brian D. Smith, W9IND If you’re looking to add a 2021 Indy 500 QSL card to your collection, and perhaps a certificate as well, your odds of success just accelerated. From now through the end of Sunday, May 30 (Race Day), the Indianapolis […]
Antenna array on NBC television show “Debris”
Many thanks to SWLing Post contributor, Bruce Fisher, who writes: Hi Thomas, I recently watched an episode of a science-fiction tv series on NBC called “Debris”. There was a brief scene of an antenna array and the following dialogue: “What is this place?” “It was used to transmit news reports to the Allied Nations during […]
Armin hears “clicks” after update of SI473x receiver firmware
Many thanks to SWLing Post contributor, Armin Sander, who writes: Hello Thomas, Thanks for posting the info on the SI47xx firmware-update. I have done the update and the receiver runs now on firmware ver. 3.0.7a It works fine but I hear now on am/lw/shortwave “click” noises on the radio. Is this the sign that something […]
Circa 1959 Spectra-Radio Spectacles
Many thanks to SWLing Post contributor, Mario Filippi, who writes: While perusing through a 1959 Lafayette Radio sales flyer, this hybrid radio/sunglasses radio was spotted (see image above). Put a huge smile on my face–a three-transistor, germanium diode model hihi. Runs on a Mercury battery which were common years back. That is fantastic, Mario! Love […]
UNID Russian Numbers Station recorded April 26, 2021
Many thanks to SWLing Post contributor, Paul Walker, who recently shared this recording of an unidentified numbers station in Russian. Paul recorded this on April 26, 2021 at 0218 UTC in McGrath, Alaska, on 11,615 kHz: https://archive.org/download/11615k-hz-numbers-station-mon-apr-26-2021-0218-utc-1/11615kHz%20Numbers%20Station%20Mon%20Apr%2026%2C%202021%200218UTC%20%281%29.mp3 I’m not an expert on numbers station identification–if you can ID this station, please comment! Update: Many thanks […]
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