Category Archives: AM

Spitfire AM/Mediumwave Transmitter on sale via eBay

Many thanks to SWLing Post contributor, Ron, who notes that the Spitfire AM transmitter is on sale (GBP 71.95 or approx. $91 US) via the manufacturer’s eBay store for the next three days. Ron notes:

Tony has solved the hum problem that plagues AM part 15 transmitters.
This model comes ready to go, just hook it up. It meets all Part 15 requirements.
Enjoy listening to the 1940’s radio station (for example) on your own AM station.
Comes set up for 1600 kHz but Tony will tune it to whatever you
want or you can adjust the dip switch yourself.
Has a built in stereo to mono converter and full sound range audio.
Hurry, the Sale ends soon.

Click here to check out the Spitfire AM transmitter on eBay.

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Radio Waves: Loss of AM in Cars, AM Radio Op Ed, BBC Sues Over Loss of Service, and Czech Radio Celebrates Centennial

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Radio Waves: Stories Making Waves in the World of Radio

Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Dennis Dura, Dave Porter, and David Iurescia for the following tips:

NASBA on Loss of AM in Cars: “1,300 AM Stations Could Be Left in the Dark” (Radio World)

State association questionnaire finds one in three AM stations have no FM translator

The National Alliance of State Broadcasters Association (NASBA) is reporting insights it discovered after polling AM stations about the removal of over-the-air AM in new cars.

The data collected from more than 1,000 AM stations shows that many do not have an FM translator and/or do not stream their signals over internet connections, NASBA says. The group is hoping to use the information to rally proponents of AM to help convince companies like Ford, Mazda, BMW and others to keep reception of AM in their new vehicles.

NASBA says the automakers “are cutting corners on expensive new electric vehicles” by eliminating AM radios, which means more than 4,000 AM stations in the United States are at risk. But its survey results show that AM radio across the country provides a diverse mix of music and talk and is a vital link for millions of listeners. [Continue reading…]

Letter: AM’s Downfall Is Poor Programming, Not Audio Quality (Radio World)

“It was the music without the spots, that made FM,” says a reader

The comments written by Dave Bialik in the latest Radio World hits the nail right on the head. The average person, which is about 95% of the population, couldn’t care less about audio fidelity. The days of “audiophiles” are gone. The downturn of AM listenership is almost exclusively due to poor programming, poor content. Yes, FM in its early days was mostly easy listening, beautiful music and classical music. It catered to the audiophiles, and had a very limited audience even though it sounded great and in 1963 by offering multiplex stereo.

Once a few of the FM guys realized people were fed up with the 45 minute commercial breaks on AM stations with popular music, the format was adopted on FM, but with none or few commercials (because no one wanted to advertise on FM). Once people found out they could get the rock and pop music on FM without all the talk, the band switch started taking place. It had nothing to do with audio — remember at this time people were buying 8-track tapes by the millions and they were technically several steps below AM radio. It was the music without the spots, that made FM. Once that happened, most of the large and middle market stations threw all of their eggs into the FM basket and put something on the AM just to hold the license.

I once worked for an AM station owned by one of the large groups. In its heyday, in the 50’s–70’s, it was THE top 40 station. In a market of 40 stations, it had a 60 share. Once the group owners bought a big FM signal, they blew the AM away and loaded it with satellite talk. After a few years, that 60 share was .5 — yes point 5. After a few years of this, and it becoming unsellable, one of the staff suggested to management that they should go back to a music format playing the hits of the 50’s and 60’s (this was in 2002). [Continue reading…]

BBC sues over fire that left one million licence fee payers without TV (The Telegraph via MSN)

The BBC is suing the owner of a huge telecoms mast that burnt down almost two years ago, leaving more than one million households without TV or radio services.

A blaze destroyed the Bilsdale transmitter on the North York Moors in August 2021, sparking chaos across the region.

More than one million homes in North Yorkshire, Teesside and County Durham were unable to access FM radio or Freeview, with many disconnected for months.

The BBC has now filed a lawsuit against Arqiva, the company which owns the mast, saying it has failed to fully restore services more than 18 months later.

The public service broadcaster has accused the infrastructure group of breach of contract and is seeking tens of millions of pounds in damages. [Continue reading…]

A hundred years is just the beginning. Czech Radio celebrates its centennial (Czech Radio)

Czech Radio celebrates a significant anniversary this year. 18 May 2023 marks exactly 100 years since the start of regular radio broadcasting in the Czech Republic, then Czechoslovakia, when the private company Radiojournal began broadcasting from a humble scout tent in Prague’s Kbely.

For the occasion of its monumental jubilee, Czech Radio has prepared a rich programme for the public, new broadcasting highlights and a unique exhibition at the National Technical Museum. Celebrations throughout the year will illustrate the remarkable journey of the most trusted public service media in the Czech Republic.

“Czech Radio will celebrate the 100th anniversary of the start of regular broadcasting. It is an honour for me to be at the helm of this public institution at a time when we are recapitulating important past moments, revisiting our history and remembering outstanding radio personalities. But this extraordinary anniversary is also an opportunity for us to show that 100 years of radio broadcasting is only the beginning. We are ready to launch the next century of our existence with new programming projects and technological innovations. The entire project of our anniversary celebrations aims to support the position of Czech Radio on the media market and also to show that it is an important partner for other institutions. I believe that with an imaginative programme we will not only delight current listeners, but also attract new ones,” said René Zavoral, Director General.

The celebrations will officially commence on 10 March with a formal ball at the Municipal House in Prague, where the Czech Radio Symphony Orchestra, the Gustav Brom Radio Big Band and musical guests Ewa Farna, Mirai, Dara Rolins and No Name will perform.

On the day of its 100th birthday, Czech Radio will hold a grand concert in the Riegrovy Sady park for listeners and the general public. The concert will include performances by the band Chinaski, as well as musicians Aneta Langerová, Mirai Navrátil and Marek Ztracený, who will be the first performer broadcast on Czech Radio in its second century of existence. [Continue reading…]

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DX Central Announces Inaugural Grand Slam DX Challenge!

DX Central Announces Inaugural Grand Slam DX Challenge

Chances are, if you ask a DXer how they began their love of DX, many will tell you it all began by searching through the static for the unmistakable sounds of baseball.

Radio and baseball have been intrinsically tied together since the early days of both. In fact, radio broadcasts of baseball games, long before the days of television, are what helped to turn it into “America’s National Pastime.”

It is with that history in mind that we are pleased to announce the inaugural Grand Slam DX Challenge.

Originating from an idea between DX Central’s Loyd Van Horn (W4LVH) and Sean Kutzko (KX9X), the Grand Slam DX Challenge (GSDXC) once again honors the link between radio and baseball by challenging hobbyists to log as many radio stations, from as many Major League Baseball teams, as possible during the MLB regular season.

“I knew I wanted to have some sort of challenge,” says Van Horn. “I just wasn’t sure exactly what or how that would work. Then Sean came to me with the idea of doing something around the baseball season and I thought ‘that’s genius!’”

The notion of tying America’s game with DXing came naturally to Kutzko.

“My love for baseball goes back probably on par with the same time that I got interested in AM DXing as a really, really small kid,” says Kutzko. “[The challenge] is a multi-month event focused around the two greatest things that I spend my time with which is radio and baseball.”

To help turn this idea into reality, Kutzko brought his experience building the ARRL’s National Parks on the Air (NPOTA) program in 2016 for the amateur radio community. In addition, Kutzko and Van Horn teamed up with Mike Leary (K7MSO), an experienced web developer and radio hobbyist, who volunteered his time and skills to the project.

The premise is simple: a participant should try to receive as many stations – and from as many different Major League Baseball teams – as possible. The broadcasts must be from the team-sanctioned radio network broadcast (national broadcasts from networks such as ESPN, Westwood One, etc. do not count).

There are nine entry categories that a participant can choose from, and include AM only, FM only or both AM and FM submissions.

Submissions for the challenge will be through the challenge Web site: grandslamdxchallenge.com. The full rules and scoring system for the challenge also available on the same site.

It is important to note that this inaugural edition of the challenge is a true beta version. Feedback from the community will be critical for resolving any defects or making any improvements for future iterations of the challenge.

“I just hope that this is something people will really be able to enjoy, perhaps even remind them of why they fell in love with radio in the first place,” says Van Horn. “With the Sporadic Es season coming for FM and the unique propagation opportunities that often occur during summer on AM, there should be plenty here to keep DXers glued to their radios throughout the summer!”

Click here to check out the Grand Slam DX Challenge website and register!

Livestream Video:

Click here to view on YouTube.

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Radio Waves: State of AM Radio, Quindar Tones Hack, AI DJs, BBC Pop-Up Station for Sudan, Artemis II & Ham Radio, and a Morse Revival

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Source: NASA

Radio Waves: Stories Making Waves in the World of Radio

Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Dennis Dura, David Shannon, and Eric McFadden for the following tips:

Bouvard Laments “Yawning Gap” in Marketer Perceptions About Radio (Radio World)

Cumulus publishes analysis to counter prevailing sentiments about AM and radio in general

“Ford owners are massive users of AM radio.”

So writes Pierre Bouvard, chief insights office of Cumulus Media, citing data from MRI Simmons.

That is but one of his observations as Cumulus Media/Westwood One released an analysis of listening data from sources that also include the Nielsen fall 2022 survey, Edison Research’s “Share of Ear” and research by Advertiser Perceptions.

Bouvard regularly posts about the power of radio and what he calls misperceptions about the medium among the broader marketing community.

He summarized takeaways from the new Cumulus analysis:

“The Nielsen Fall 2022 survey reveals that 82,346,800 Americans listen to AM radio monthly; 57% of the AM radio audience listens to news/talk stations, the very outlets that Americans turn to in times of crisis and breaking local news; and one out of three American AM/FM radio listeners are reached monthly by AM radio,” he wrote. [Continue reading…]

AM News Radio, your go-to in a crisis, could itself be in trouble (NorthJersey.com)

“Some clouds over the city right now. I’m Paul Murnane,” says a familiar voice.

“I’m Wayne Cabot,” says another.

Few would know their faces. But as names, they’re as recognizable as anyone in New York.

Fewer still could tell you their address — an 11th floor studio in a light-brick high-rise in lower Manhattan, between a Chase bank branch and patisserie named Maman.

But hundreds of thousands know where to find them on the AM dial — right between 820 WNYC (“public affairs”) and 930 WPAT (“multi-ethnic”). That, for 56 years, has been the location of WCBS Newsradio 880 — one of those rare unchanging institutions in a changeable city. [Continue reading…]

Apollo Comms Part 27: Quindar Tones Microphone Hack (CuriousMarc on YouTube)

The last DJ nears? Radio station uses artificial intelligence, cloned voices (WRAL)

GENEVA — The voices sound like well-known personalities, the music features trendy dance beats and hip-hop syncopations, and the jokes and laughter are contagious. But listeners of an offbeat Swiss public radio station repeatedly got the message on Thursday: Today’s programming is brought to you by Artificial Intelligence.

Three months in the making, the French-language station Couleur 3 (Color 3) is touting a one-day experiment using cloned voices of five real, human presenters — in what managers claim is a world first — and never-aired-before music composed almost entirely by computers, not people. From 6 a.m. to 7 p.m., the station said, AI controlled its airwaves. Every 20 minutes, listeners got a reminder. Continue reading →

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A little barefoot ultralight MW DXing . . . in which my mental status is questioned

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By Jock Elliott, KB2GOM

About 10 days ago, the Better Half and I visited my wife’s sister in Sodus, NY, a small town in the western part of the state near the shores of Lake Ontario.

First consideration when packing was – never mind the underwear and the toothpaste – what radios shall I take? I decided to go light . . . just a CCrane Skywave SSB and a Uniden BC125AT analog-only scanner.

In the predawn hours on a handful of mornings, I decided to see what I could hear on medium wave with the diminutive Skywave SSB. The Skywave is an “ultralight” radio – under 20 cubic inches in volume. Because the Skywave’s plastic case is so small, the ferrite antenna within it is very small . . . less than 3 inches long. It is by no means a huge antenna for grabbing signals.

It was Gary DeBock who pioneered ultralight DXing with tiny generally inexpensive radios. As a ham radio operator, he had worked 144 countries using a Heathkit 1-2 watt kit transmitter he had built. In the process, he learned a great deal about propagation.

In 2007, he decided to see what he could do with a cheap pocket radio, a Sony Walkman SRS 59. At 1 am on an autumn night from his home in Washington state, he put propagation and operating skill to work and heard three distant medium-wave stations: a couple from Japan and one from Korea. He posted his results on the internet in November, 2007, and he got a lot skeptical feedback: How could you possibly do this?

His response (in essence): Try it for yourself.

Some people did try for themselves; some with great success. One DXer from Canada logged 300 stations in 30 days. Interest in MW DXing with pocket-sized consumer radios took off, and ultralight DXing was born.

So, in the predawn hours in Sodus, NY, I decided to give ultralight DXing a try . . . barefoot . . . that means with no external antennas or signal boosters . . . just me kicked back in a recliner, the CCrane Skywave SSB, and a pair of headphones. Simple.

Before we proceed, you need to understand that my DXing style might charitably be described as “lazy.” Instead of laboriously turning the tuning knob, I use the seek function on the CCrane Skywave. I simply press and hold for a moment the up or down arrow and wait for the Skywave to stop at the next signal it detects. Then, if I feel that the signal might be enhanced by re-orienting the antenna with respect to the signal, I wiggle the Skywave around in my hand and listen for an improvement in what I am hearing through the headphones.

The results: I logged (among others) Atlanta, Georgia (493 miles) and Charlotte, North Carolina (588 miles) on the CCrane Skywave SSB with its tiny internal antenna. Also received: Boston, Philadelphia, New York City, Baltimore, and Toronto and a bunch of unknowns.

One afternoon, I decided to see what distant stations Skywave might receive during the daylight hours. I was kicked back in the recliner with headphones on, doing my usual, waving the Skywave around in the air to optimize the reception. My sister-in-law started laughing. She said I looked like a demented band leader, conducting a silent orchestra! I tried to assure her that my mental status was OK and that I was trying to optimize the signal. I’m not sure it worked.

But one thing is certain: barefoot ultralight MW DXing is fun. All you need is a tiny radio, a bit of darkness, a pair of headphones, and a willingness to be surprised.

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Mark’s collection of vintage micro radios

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Many thanks to SWLing Post contributor, Mark Pascoe, who writes:

Hi, Thomas.

I rarely see photos of micro radio collections, so I thought some of your subscribers may be interested in seeing my little collection.

These are all late 50s to 60s radios made in Japan and hand soldered. Just over 50% of them are still working ( Deoxit is my best friend) l live in Adelaide Australia and recently retired doing the customary downsizing thing. Now I live in a small townhouse and have what must be one of the smallest radio shacks, 1m x 1/2 metre!

With a 50 ft long wire running front to back above my roof. I’m not an overly experienced SWL, and I have a question. I have 3 SW radio’s with 5 antenna attachment points. Is there a recommended antenna splitter that goes 1 into 5 without any interference ? I currently manually connect/disconnect my antenna’s.

Thanks Mark Pascoe.

These are simply amazing, Mark! I don’t believe anyone has ever shared photos of their micro radio collection before, so we’re most appreciative. There are some amazing designs in this collection!

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Radio Waves: Gen Tojo’s Teeth, City Radio Review, Wearable CW Trainer, Sister Boniface, and “We Are Broadcasters” Oppose Tax

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Radio Waves: Stories Making Waves in the World of Radio

Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Dennis Dura and Harry Dence for the following tips:

Gen Tojo’s Teeth: Morse Code Shows Up In The Strangest Places (Hackaday)

The Baader-Meinhof effect is the common name for what scientists call frequency illusion. Suppose you are watching Star Trek’s Christopher Pike explain how he makes pasta mama, and you’ve never heard of it before. Immediately after that, you’ll hear about pasta mama repeatedly. You’ll see it on menus. Someone at work will talk about having it at Hugo’s. Here’s the thing. Pasta mama was there all along (and, by the way, delicious). You just started noticing it. We sometimes wonder if that’s the deal with Morse code. Once you know it, it seems to show up everywhere.

One of the strangest places we’ve ever heard of Morse code appearing is the infamous case of Tojo’s teeth. If you don’t remember, General Hideki Tojo was one of the main “bad guys” in the Pacific part of World War II. In particular, he is thought to have approved the attack on Pearl Harbor, which started the American involvement in the war globally. Turns out, Tojo would be inextricably tied to Morse code, but he probably didn’t realize it. [Continue reading at Hackaday…]

the CityRadio – Hear the world (TechMoan on YouTube)

A ‘radio’ that lets you listen in to broadcasts from cities around the world…but there’s a catch.

M5STICKC Turned Wearable Morse Code Trainer (Hackaday)

Have you ever felt the options for Morse code communication were too limited? Well, look no further than [marsPRE]’s open source WristMorse communicator that can connect over WiFi, can act as a Bluetooth keyboard or just be used as a Morse Code trainer.

[marsPRE] uses the M5StickC Plus as the base device and attaches a custom “hat” consisting of a 2.5 mm plug for a radio connection and two capacitive touch paddles that act as the Morse Code keyer. The add-on is housed in what looks like a custom 3D print and hangs off of the end of the M5StickC Plus, connecting the hat through an eight 0.1 inch pin header. [Continue reading at Hackaday…]

Sister Boniface episode “Dead Air” is a pirate radio-themed

Many thanks to SWLing Post contributor, Harry Dence, who writes:

Do you watch BritBox? Hope so!

Today they released Season 2, Episode 8 of the Sister Boniface mysteries, called “Dead Air.”

Set in England of the Radio Caroline era, the episode concerns a pirate radio station called Radio Catherine, a bit of humor along with the mystery, and an homage to Radio Caroline in its ending. Also a sight gag that will please Spinal Tap fans and reference to the GPO controlling the airwaves.

Thank you for the tip, Harry!

WeAreBroadcasters: “Encourage Congress to support local radio!”

Note: this is a petition managed by WeAreBroadcasters in opposition to a proposed tax:

Encourage Congress to support local radio!

Legislation that would force local radio stations to pay new fees simply for playing music has been introduced in Congress. The American Music Fairness Act (AMFA) would put stations out of business and impact their ability to provide the news, traffic, weather, emergency information and entertainment you rely on every day. The Local Radio Freedom Act opposes new performance fees on local radio stations and recognizes radio’s vital role in every community. Please take action today and encourage your members of Congress to oppose the AMFA and cosponsor the Local Radio Freedom Act. Your voice matters!

Click here to sign.