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Updated 2025-06-29 22:46
Any advice on compact Lipo batteries, in-ear earphones with volume control, and portable amplified speakers?
SWLing Post readers: I originally published the following post on QRPer.com. I thought I might share it here on the SWLing Post as well since we’ve so many readers who regularly use compact battery packs, earphones, and portable speakers. I’m looking for some advice as I build a super-compact SOTA/POTA field kit around the Mountain […]
WBCQ purchases World Harvest Radio (WHRI)
Many thanks to SWLing Post contributor, Benjamin, who shares the following news tip via Radio Insight: Family Broadcasting Corporation is selling shortwave Christian “World Harvest Radio” WHRI Furman SC to Allan Weiner for $1.25 million. Weiner also owns shortwave Talk “The Planet” WBCQ Monticello ME as well as Talk/Rock 780 WXME/98.3 W252DW and Classic Country “Kixx […]
Elecraft KX2 3D model tour with Wayne Burdick (N6KR)
Wayne Burdick (N6KR) was one of the QSO Today Expo presenters this year and he took his audience on a very deep dive into the design philosophy behind the Elecraft KX2 (click here to read our KX2 review). The presentation is absolutely fascinating! If you want geek-out on radio design, I highly recommend you take […]
Val’s Morse Code videos and practice sessions
Many thanks to SWLing Post contributor, Valery Titievsky, who writes: Perhaps it will be interesting to SWLing Post subscribers. A short video for those wishing to improve their skills in Morse code. Poem by George Byron “Prometheus». The channel also has lessons in studying Morse code and a few videos with my SWL on shortwaves […]
Don recommends “Ham&HiFi” for late-model and vintage radio gear
Many thanks to SWLing Post contributor, Don, who sent a message recently recommending Ham&HiFi as a source of late-model and vintage radio gear. Don writes: They buy amateur radio, audio, vacuum tube collections from around the US. They ship worldwide and have lots of inventory! They are a good source for both vintage, newer equipment […]
TX Factor Episode 26
Many thanks to SWLing Post contributor, Eric (WD8RIF), who notes that the 26th episode of TX Factor was recently released. Here’s the show summary: A post-lockdown special – well, not really! Just a bumper edition of TX Factor that was planned for March 2020, but due to the Covid-19 restrictions never quite happened! We hope […]
Giuseppe’s cross-loop experiments
Many thanks to SWLing Post contributor, Giuseppe Morlè (IZ0GZW), who shares the following: I’m Giuseppe Morlè from Formia, central Italy, on the Tyrrhenian Sea. I wanted to share with you and friends of the SWLing Post community this antenna project of mine dedicated to those who do not have enough space on the roof or […]
Video: Josh’s Lab599 TX-500 Deep Dive & Review
Many thanks to SWLing Post contributor, Don (W7SSB), who notes that Josh (KI6NAZ) at Ham Radio Crash Course has just posted his final TX-500 video. If you’ve been considering the TX-500, it’s very much worth your time: Josh is actually sending me this very same TX-500 for review in The Spectrum Monitor magazine and here […]
George reviews the new Tecsun PL-990
Many thanks to SWLing Post contributor, George Joachim, who shares the following review of the Tecsun PL-990. AS George points out, the PL-990 in the following review is not the “export” model Anon-Co will eventually offer for sale later this year. It might be nearly identical in every respect, but at time of posting Tecsun […]
FTIOM & UBMP, August 16-22
From the Isle of Music, August 16-22: This week, our special guest is Gastón Allen, director of Orquesta Hermanos Avilés, which was founded in 1882 and is Cuba’s earliest band that still performs today. Some fascinating history and some excellent dance music. The broadcasts take place: 1. For Eastern Europe but audible well beyond the […]
Major SWLing Post server upgrades and possible down time
Our amazing web host, Innoscale, will be performing a major upgrade to the SWLing Post server sometime between 5:00-9:00 UTC on Wednesday, August 12, 2020. The site could be offline for a full hour during this time. There could even be some quirky behavior after the upgrade as we sort out any database and PHP upgrade […]
Radio Waves: GatesAir Invests in Equatorial Guinea, Community Radio Champion Lorenzo Wilson Milam SK, and GQRP Online Convention
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 […]
A review of the Ocean Digital WR-26 FM, DAB, Internet and Bluetooth radio
A few weeks ago, I was contacted out of the blue by a company I’d never heard of: Ocean Digital. They asked if I would be interested in reviewing one of their radios. I almost deleted their message out of habit because (no kidding) I get at least one or two messages like this from […]
Icom announces the new ID-52A/E HT with color display and Bluetooth
Many thanks to SWLing Post contributors, Paul and John (KC8RZM), who share the following press release from Icom: Icom releases the ID-52A/E Amateur Handheld Transceiver with Color Display and Bluetooth® Communication Icom Incorporated (Headquarters: Hirano, Osaka, Japan/President: Masataka Harima) releases the ID-52A/E*, VHF/UHF dual band digital transceiver that supports D-STAR (Digital Smart Technologies for Amateur […]
Jorge’s Portable YouLoop Antenna Frame
Many thanks to SWLing Post contributor, Jorge Garzón (EB7EFA · EA1036 SWL), who shares the following guest post which was originally published on his @IberiaDX blog: BricoDX: A YouLoop portable frame by Jorge Garzón (EB7EFA · EA1036 SWL) One of the aerials I wanted to test was the Youssef Loop (YouLoop). I own a good passive […]
K9ZDK: Return of a Silent Key
Many thanks to SWLing Post contributor, Dan Van Hoy (VR2HF), who writes: It was one of the most sublime moments in my 55+ years in radio. Almost every night I listen to shortwave station, KNLS in Anchor Point, Alaska, from my home in Hong Kong. KNLS broadcasts to Asia and the Pacific in English, Russian […]
Icom IC-705 approved by FCC: pricing and availability update
I’ve just learned via Universal Radio that the new Icom IC-705 has been F.C.C. approved and is scheduled to start shipping in the US “early Fall 2020.” Shipping/Availability Consensus from other sources in the industry is that Icom would like to start shipping the IC-705 by the end of September but have not committed to […]
Radio Lavalamp: Sunday, August 9th and 16th, 2020
(Source: Pete Madtone) Tune in to DJ Frederick’s Radio Lavalamp on Sunday 9th August 2020 (and repeated the week after) at 2200 UTC (11pm UK time) on 3955 kHz via Channel 292.The transmission from will feature One Deck Pete with a mix called The Purple Nucleus of Creation 002 featuring this great tune from Drowsii (below), Nayl, Tabitha Project, Seventh Soul & Homayoun Shajarian and Camille Murray. Tune in to […]
What’s in the shack here at SWLing Post HQ
Many thanks to SWLing Post contributor, Pete, who writes: Thomas, I’m curious what radios you have in the shack now. I see lots of posts about various radios, but I wonder what’s in your personal collection and what’s being evaluated. You know what they say…”inquiring minds” and all that! If you don’t mind I for […]
Gary Debock’s report from the 2020 Rockwork Ocean Cliff Ultralight DXpedition
Many thanks to SWLing Post contributor, Gary Debock, who shares a short report he originally posted on Facebook from the Rockwork 2020 Ultralight DXpedition: Rockwork 2020 started off with a monster session, with S9 signals from the likes of 320-AI (Aitutaki, Cook Islands), 352-RG (Rarotonga, Cook Islands), 558-Radio Fiji One, 603-Radio Waatea, 1017-Tonga, 1107-Magic Talk […]
Photos of the Tecsun PL-990
Many thanks to SWLing Post contributor, George Joachim, who shares the following photo of his recently acquired Tecsun PL-990. George also shared the following comment: I have just received my PL 990 from Ali Express. Suitably impressed everything works as advertised and yes it is the newer (TIME TIMER A TIMER B) version. The serial […]
LRA36 Radio Nacional Arcangel San Gabriel 24 hour marathon non-stop broadcast
Many thanks to SWLing Post contributor, Adrian Korol, of RAE who informs me that LRA36 Radio Nacional Arcangel San Gabriel in Antarctica will broadcast 24 hours non-stop starting at 17:00 UTC on Saturday, The frequency will be 15476 kHz in upper sideband mode. Reception reports can be sent to: tranalra36@radionacional.gov.ar A special eQSL will be […]
The New RX-888 16 bit ADC Direct Sampling SDR with 32 MHz bandwidth
Many thanks to SWLing Post contributor, H. Garcia (PU3HAG), who writes: While doing the daily eBay and AliExpress strolling for new and cool radio stuff, this showed up: RX888 ADC SDR Receiver radio1.8GHz 16bit direct sampling HF UHF VHF HDSDR Like the DragonFly RX-666 you posted about recently, it’s based on IK1XPV Oscar’s BBRF103 works. […]
Radio Northern Europe International August 2020 broadcasts
Many thanks to SWLing Post contributor, Roseanna, with Radio Northern Europe International who shares the following announcement: Hello all, Just writing to announce RNEI #7 & TIAEMS August 2020 starts on Sunday the second of August 2020! Our show is packed with some great pop and dance music from Northern Europe including quite a few Icelandic and […]
FTIOM & UBMP, August 9-15 (New Frequency Added)
From the Isle of Music, August 9-15: This week, our special guest is the multitalented Emilio Martiní, who will share music from the three albums by his Natural Trio including the new one, Elegante. The broadcasts take place: 1. For Eastern Europe but audible well beyond the target area in most of the Eastern Hemisphere […]
Kostas’ Yaesu FRG-7 adjustment that improves opposite sideband rejection
Many thanks to SWLing Post contributor, Kostas (SV3ORA), who shares the following video and writes: In this 7.8Mb video (attached) is my solution for “converting” the Yaesu FRG-7 for single signal reception on SSB: Not a mod actually, no additional filters, no soldering of any kind. Just tune the BFO on USB and on LSB […]
Radio Waves: Research on Gen Z Listenership, Early Women in Radio, Carlos Latuff Interview, and “Your Next Tech Purchase Should Be a Radio”
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 […]
Rob Sherwood’s presentation: “Transceiver performance for the HF/DX operator”
Many thanks to SWLing Post contributor, Paul, who shares the following video of a recent presentation by Rob Sherwood (NC0B) for Ham Holiday Oklahoma. I love Rob’s presentations because not only is he an authority on testing receivers and transceivers, but he also has a very pragmatic approach to operating radios. Rob speaks to the […]
New Dragonfly wide band SDR with 32 MHz bandwidth
Many thanks to SWLing Post contributor, Franco (K4VZ), who writes: Last night I came across a new SDR receiver from China called ‘RX-666’. On paper its specs are interesting: 16bit ADC, max sample rate 32MHz (in theory one could sample the whole LW+MW+SW bands at the same time), USB 3 interface, and tunable from 1kHz […]
Which would you choose as a first radio–the Icom IC-7300 or Xiegu G90?
Many thanks to SWLing Post contributor, Paul, who writes: This came to me from a friend; he is curious about choosing between the Xiegu G90 and the Icom IC-7300 for his first rig. He has money to buy the Icom which is $999 right now after rebates, but wants to know if he is really […]
Revised August 7 Test Tx Times for FTIOM & UBMP
The August 7 test transmission times for From the Isle of Music and Uncle Bill’s Melting Pot on 9670 kHz, the new frequency on Channel 292, have been changed to From the Isle of Music: 1600-1700 UTC Uncle Bill’s Melting Pot 1700-1800 UTC Reception reports will be appreciated. There will be additional tests throughout August, […]
Covid-19: Popular Yaesu and Alinco rigs meet early demise
No doubt, the Covid-19 global pandemic has had a mostly negative impact on our daily lives. Surprisingly, I found that the impact on the amateur radio world, at first, was quite minimal. Not only did sheltering at home seem to increase the number of operators on the air, but I found that most of […]
Radio Waves: FCC Fines Drone Retailer, High School WSPR Buoy, Flashing Radio Firmware, and “Radio Recliner” Powered by Senior Resident DJs
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 […]
New Technician HF Privileges Defined: ARRL board accepts final recommendations of the Band Planning Committee
(Source: ARRL News) During this session, the [ARRL] Board took the following actions: Accepted the final recommendations of the Band Planning Committee. Committee chair and ARRL First Vice President Mike Raisbeck, K1TWF, introduced the motion to adopt the plan. An earlier draft of the plan was introduced at the Board’s in-person January meeting. After the […]
Silphase R1 videos and information about power and antenna ports
We’re starting to get a little more info about the recently posted Silphase R1 SDR receiver. At this point, the radio isn’t in production and is obviously only in a prototype stage so there are a lot of question marks–including if it’ll ever come to fruition. The pandemic is obviously not an ideal time to […]
Converting Tecsun signal meter numbers into five strength units?
Many thanks to SWLing Post contributor, Chris Rolfe (M3OZP), who writes with the following inquiry: Don’t know if anyone can help. I have a Tecsun PL-880, and it shows signal strength in db. How can I work out the signal strength as 1 to 5? All my other radio have 1 to 5 signal strength […]
Giuseppe’s reception of the LRA36 test broadcast
Many thanks to SWLing Post contributor, Giuseppe Morlè (IZ0GZW), who shares the following: Dear Thomas Here is the link of to video regarding the transmission of LRA 36 in USB mode Saturday July 25, 2020 from 17.00 UTC on 15.476 MHz. A good result if I think it was almost impossible to listen to it […]
NASA’s SCAN testbed was an orbiting multi-function SDR
Many thanks to SWLing Post contributor Dan (VR2HF) who writes: “This looks like the world’s most expensive SDR to me. And a little mysterious. Like quantum computing!” (Source: NASA) Space Communications and Navigation (SCAN) Testbed The SCAN Testbed, formerly known as Communications, Navigation, and Networking reConfigurable Testbed (CoNNeCT), served as a test facility for NASA […]
FTIOM & UBMP to test 9670 kHz on Channel 292
From the Isle of Music and Uncle Bill’s Melting Pot will be testing 9670 kHz on Channel 292 from Germany on Friday, August 7. Times are included in the transmission schedules below. Dxers beyond Europe are encouraged to try the broadcast as its effective range is uncertain at this writing. From the Isle of Music, […]
Finally confirmed reception of LRA36 Radio Nacional Arcángel San Gabriel Antarctica
For years now I’ve attempted to get decent reception of LRA36 Radio Nacional Arcángel San Gabriel in Antarctica. At times, I’ve been able to barely hear their AM signal here in North Carolina–at least, see it as a faint line on my spectrum display and barely hear audio rise above the noise. But in truth […]
Radio Globe: A handy way to explore the world of Internet radio
Many thanks to SWLing Post contributor, Dennis Dura, who shares a link to this fascinating project on the excellent Hackday site: […]RadioGlobe lets the user tune in over 2000 stations from around the world by spinning a real globe. It works by using two absolute rotary encoders that each have a whopping 1024 positions available. […]
Free RSGB RadCom Basics July 2020 issue
Many thanks to SWLing Post contributor, Paul Evans, who notes that the Radio Society of Great Britain has made the July 2020 issue of the bi-monthly RadCom Basics free to download. Click here to check out the July 2020 edition on the RSGB website.
The new Silphase R1 SDR receiver
I’ve just learned about a new SDR receiver in development by the Polish company Silphase. It’s called the Silphase R1 and appears to be a stand-alone, high-performance SDR receiver. What could set this receiver apart from the rest is the: Color backlit 5″ TFT touch screen display Magnesium alloy body/chassis USB out for recording and […]
Tom’s amazing 1986 Voyager Experimental Aircraft flight communications recording and QSL card
One of the most amazing things about hosting and curating a massive collection of shortwave radio recordings is listening to each recording as they’re published on the Shortwave Radio Audio Archive (SRAA). SRAA contributor, Tom Gavaras, has shared some brilliant off-air and studio recordings over the years including the following shortwave recording of Voyager Experimental […]
Radio Waves: Switzerland’s Move to Digital, Guyana Rejects USAGM’s Request, Ham Records China/US Encounter, and Farm Radio International Endorsement
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 […]
Parks On The Air: Finally biting the CW bullet!
I mentioned in a previous post that one of my Social DX goals was to activate a Parks On The Air (POTA) site in CW (Morse Code). Mission accomplished! Yesterday, I mustered up the nerve and drove to the Blue Ridge Parkway (site K-3378 in POTA). My wife and kids were knee-deep in another project […]
Joint RAE and LRA36 Radio Nacional Arcangel San Gabriel test transmission today July 25, 2020
Many thanks to SWLing Post contributor, Adrian Korol, who shares the following announcement: RAE Argentina to the World, broadcasting from Antarctica RAE will join a trial transmission by LRA36 Radio Nacional Arcangel San Gabriel, broadcasting from Base Esperanza, in the Argentine zone of Antarctica. This Saturday, July 25, between 17:00 and 21:00 UTC, the Antarctic […]
Belka-DSP shortwave receiver now available via Mobimax
Many thanks to Boris (LZ2JR/AC9IJ) who notes that his company, Mobimax, in Europe now distributes the excellent Belka-DSP receiver. Boris informed me that he has inventory and they ship immediately (at time of posting–July 25, 2020). The price is 145.72 EUR (roughly $170 US). They have two shipping options to US: Via International Priority Air […]
China Radio International: Jim seeks help understanding language schedule and transmitter locations
Many thanks to SWLing Post contributor, Jim Meirose, who asks: Each day in NJ I am hearing China Radio International in German on 9.570 MHz. It “fades in” up out of the noise about 2 pm EDT, and strengthens until the broadcast signs off just before 3 pm (1800 UTC). Two things: first, I have […]
Upping my CW pile-up game with Morse Runner
I mentioned in a previous post that I’ve been practicing my CW (Morse Code) skills in an effort to build confidence to do a Parks On The Air (POTA) CW activation. But how in the world do you practice handling a CW pile-up without actually going on the air–? I’m glad you asked! My DXing […]
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