Tag Archives: Radio Waves

Radio Waves: AM/FM in Teslas, Odd Crosleys, CW Club Membership on the Rise, and 2020 Contest University is Free

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 stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Kim Elliott, Dave Anderson, and Paul Evans for the following tips:


“Infotainment Systems” In Cars Portend Safety, Privacy, And Competition Issues (Forbes)

Almost all new cars include so-called “infotainment systems,” which provide navigation and various sources for music and news. Most companies have begun to outsource these systems to the Silicon Valley mainstays such as Apple, Amazon, and Google. The electric car manufacturer Tesla, however, has developed its own infotainment system that is far more integrated with the car itself.

Tesla recently announced an “upgrade,” which would allow users to watch Netflix, Hulu, and YouTube (when the car is parked). This innovation has a flip side: it removes AM / FM radio capabilities. Tesla and other electric car manufacturers claim they have removed AM radio in many of their models due to concerns over interference. But Tesla’s announcement is peculiar because electric engines do not interfere with FM radio reception.

Former FEMA director Brock Long worries that Tesla’s decision could prevent the government from transmitting crucial information in emergencies. Long’s concerns are valid, particularly in a crisis like the ongoing pandemic, when broad communication with the public is necessary to protect national security. AM/FM radio reach places that television and broadband do not, and that is why the government has invested tens of millions of dollars to ensure radio stations can remain on the air during periods of widespread threat to the public – including the current one. As the coronavirus reminds us, our nation still has public safety needs that no amount of technical wizardry can obviate.

The public safety concerns are real, but Tesla decision to remove AM/FM radio also raise the perennial tech issues of privacy and competition.

Tesla has contracts with tech companies such as Spotify and Pandora, many of which are pay services. These tech companies are no doubt pleased that Tesla is contemplating taking out AM/FM radio, which is still the most listened to audio platform—and constitutes meaningful competition. However, these conflicting interests creates mismatched incentives for Tesla.

Because Tesla’s market share is small, and the upgrade is optional, this conduct likely does not rise to anything close to an antitrust violation. However, the vertically integrated model which Tesla is following raises the same type of concerns as when Big Tech firms pick and choose what apps and services customers can favor. If Google, Apple, and Amazon, which have their own podcast and streaming audio services, begin to demand that auto manufacturers carry their services exclusively, then more serious competition problems will arise.[]

Odd Crosley Radios from the 1920s (Hackaday)

You may sometimes see the Crosley name today on cheap record players, but from what we can tell that company isn’t connected with the Crosley Radio company that was a powerhouse in the field from 1921 to 1956. [Uniservo] looks at two of the very early entries from Crosley: the model VIII and the XJ. You can see the video of both radios, below.

The company started by making car parts but grew rapidly and entered the radio business very successfully in 1921. We can only imagine what a non-technical person thought of these radios with all the knobs and switches, for some it must have been very intimidating.

The model VIII had two large knobs, three small knobs, and a switch. Oddly enough there were very few markings on the knobs, as you were expected to know how to use a tuned RF radio. The large knobs were for tuning capacitors and the switch was for coil taps, while the three small knobs controlled the tube filament supplies.[]

Increase in CW Club membership (G4BKI.com)

The rate at which amateurs are joining CW clubs has gone through the roof with ‘lockdown’.

The fastest growing club (SKCC) has tripled its daily new members rate and is now increasing by 14-15 per day. Information and files can be found at: http://www.g4bki.com/club_call_history.htm

Contest University 2020 will be held online free via Zoom (Contest University)

Contest University 2020 will be held online free via Zoom (Link will be available on May 7th)

Thursday, May 14th 9:00 am EDT

CTU 2020 outline is available on the 2020 Course Outline Page

Click here to read more information.


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Radio Waves: Crossband Test Postponed, VI3RA Event Videos, WWII Radio, and Look Inside a Panasonic RF-4900

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 stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Harald Kuhl, Michael Bird, and Carel Kuijer for the following tips:


Annual Armed Forces Day Crossband Test Postponed (ARRL News)

Due to the ongoing COVID-19 response and mitigation actions, the 2020 Armed Forces Day (AFD) Crossband Test scheduled for Saturday, May 9, has been postponed. Because it’s uncertain just when stay-at-home orders will be lifted across the US, AFD planners chose to postpone this year’s event, because the government stations that typically support this event may not be available. Armed Forces Day Crossband Test planners are considering scheduling a November event in honor of Veteran’s Day, depending on COVID-19 mitigation actions. During the AFD Crossband Test, military stations in various locations transmit on selected military frequencies and announce the specific ham frequencies they are monitoring to work radio amateurs. — Thanks to US Army MARS Program Chief Paul English, WD8DBY

Radio Australia Event – Antenna Overview (Mount Evelyn DX Report)

Thanks to Lee VK3GK for this short video of the antennas used for the recent Radio Australia event using the call sign VI3RA. Take what will possibly be a final look at the feeders, switching boxes and antennas before they are pulled down and junked!

Also here is the final transmission of the event weekend with, of course, the famous Radio Australia music box interval signal.

Click here to view both videos at the Mt Evelyn DX Report.

World War II and Radio (All Things Radio)

I have added an article I wrote some years back on the code breaking efforts of the Allies during WWII. While certainly not exhaustive, I found many of the connections between countries and equipment rather fascinating, and new things continue to pop up regarding Bletchley Park’s role in training officers and decoding texts. While most famously known for breaking the Enigma code, also significant was the breaking of the Lorenz Cipher.

Click Here to download the article in PDF format.

73, Robert K4PKM

Look Inside This Radio Receiver! The Collectible Panasonic RF 4900 (Mr. Carlson’s Lab – YouTube)

Let’s look inside this Panasonic RF-4900 radio receiver, and see what we have to restore.


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Radio Waves: New FCC RF Exposure Limits, Rediscovering Spark Gap, Zoom Vulnerabilities, and Extremely Rare Film of MI6 Section VIII

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 stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Paul Evans, and Robert Gulley for the following tips:


FCC Publishes new RF exposure rules (Federal Register)

The FCC has published the new rules in the Federal Register.

Paul notes:

Different above 6GHz
Expanding rules from 3 kHz – 300 GHz to 3 kHz – 3 THz (inc. light
frequency RF sources, essentially future proofing rules)
Introducing SAR measurements from 100 kHz to 6 GHz (impact to ARS)
Introducing MPE measurements above 6 GHz
Introducing ideas for WPT at and below 100 kHz, with control over the
wires or remotely over the air. This is (obviously) for EV charging.
They say nothing about harmonics, filtering, etc.[]

We Rediscover Spark Gap Radio by Accident (CuriousMarc via YouTube)

It’s 1890 all over again in the lab. By complete accident, I find myself the new owner of a high voltage box that turns out to be a vintage Xenon lamp sparker. Not only do we make it work, but we use it to retrace the critical experiments that led to the discovery of radio, using the lamp starter as the spark gap transmitter, and a coherer as the receiver.[..]

Click here to view on YouTube.

Zoom taking your club online – DON’T (Southgate ARC)

On Friday 3rd April, we carried an item regarding the use of Zoom for club meetings.

However, we have since been contacted by Paul, VP9KF, who offers this note of caution.

He says:
“This story http://www.southgatearc.org/news/2020/april/zoom-taking-your-radio-club-online.htm on your page recently is over-shadowed by the news as follows:

https://www.theguardian.com/technology/2020/apr/02/zoom-technology-security-coronavirus-video-conferencing

Don’t use Zoom and get hacked ”

Our thanks to Paul for this informative, if not rather worrying, news item.

[Paul notes that Skype Conference Call is the best method because it is “secure, end to end. In browser (sandbox) with HTML5 embedded features.”]

WW2 Codebreakers: Bletchley Park activities revealed in unique footage – The Hidden Film (YouTube)

Discover the story behind the recently discovered only known wartime film footage of a secret site connected to Bletchley Park.

A silent film, recently donated to Bletchley Park Trust, is believed to be a compilation of footage recorded between 1939 – 1945, showing members of MI6 Section VIII at Whaddon Hall, Buckinghamshire. During World War Two, this was a most secret site where Ultra intelligence produced by the Government Code and Cypher School (GC&CS) at Bletchley Park would be sent, and then passed on to Allied commanders in the field.

In this mini-documentary, hear Bletchley Park Veteran, Geoffery Pidgeon who worked in MI6 Section VIII during WW2, recall how it felt to watch the film for the first time and recognise his father. Peronel Craddock, Bletchley Park’s Head of Collections and Exhibitions and Dr. David Kenyon, Research Historian at Bletchley Park also talk about why the discovery of this film is so important.

Watch the original footage: https://youtu.be/bvVaFE5O3eY


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Radio Waves: LPFMs Go Non-Directional, ABC Cuts Remain, WBCQ Videos, and Demolition of Hara Arena

Hara Arena during the 2016 Dayton HamventionRadio 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 stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Ulis (K3LU), Michael Bird, and Trevor Dailey for the following tips:


New FCC Rules Would Allow LPFMs To Use Non-Directional Antennas. (Inside Radio)

The FCC is scheduled to vote on controversial new rules that would potentially end a prohibition on low-power FM stations using directional antennas, among other things. At its April Open Commission Meeting, the agency will vote on a Report and Order to update its technical rules for LPFM stations.

Since the Local Community Radio Act of 2010 was passed nearly a decade ago, the number of LPFMs has grown to more than 2,100 stations. The LPFM service has “matured since engineering requirements were first established in 2000,” FCC Chair Ajit Pai said in a blog post announcing the April meeting agenda. “This maturation means that LPFM stations should be able to take advantage of additional engineering options to improve reception.”

In addition to improving reception, the proposed new rules would “increase flexibility while maintaining interference protection and the core LPFM goals of diversity and localism,” Pai said.

Along with expanded LPFM use of directional antennas, the proposal would allow LPFM stations to use FM booster stations.[]

The ABC is an essential service but funding cuts remain, says boss (The Age)

The ABC could have to look at closing a channel if the government remains committed to the funding cuts announced in the 2018 federal budget, according to managing director David Anderson.

“We don’t think we can bridge the gap purely from efficiency alone,” said Mr Anderson on Thursday, as the broadcaster revealed a suite of programming that it hopes will help Australians through the next three months of social isolation.

“That’s where you start to look at what it is you’re providing on what service. At the moment we have no plans to turn off a channel or a network, but I have to say that in the foreseeable future turning off a channel will happen one day. It’s just not right now.”

The ABC is in the second year of its current triennial funding round, in which the government declined to index its base funding, effectively meaning its budget has been cut by $84 million over the three years to 30 June, 2022.[]

Two WBCQ Videos

Trevor Dailey shares two videos produced by Peter Kroon and OfficialSWLchannel that focus on WBCQ and their free speech mission. Click here for the first video (18:30) and here for the second video (4:37).

Note that while all of the commentary in the first video is in Dutch, much of the content is in English.

Demolition of most of Hara Arena will start soon (Dayton Daily News)

Michael Heitz, the developer of the Hara Arena property, said Monday that sometime in the next two to three months, demolition of about two-thirds of the tornado-damaged property should begin.

Heitz said he is putting together a legal description of the recently rezoned former entertainment property, with an environmental report and surveys, for JobsOhio. He expects JobsOhio, the state’s private jobs creation arm, to put its marketing muscle behind the 130-acre site, to help him find a future user.

“This is one of their biggest tracts in the state of Ohio, under one piece of land,” Heitz said in an interview. []


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Radio Waves: The Future of On-Air DJs, SDR Comparison, Radios That Never Were, and an Internet Radio Player for Linux

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 stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Jack Kratoville, Dave Zantow, and Dennis Dura for the following tips:


Live From Everywhere? The American Radio DJ In An On-Demand World (1A)

iHeartMedia owns and operates 858 broadcast radio stations, serving more than 150 markets throughout the U.S. The company reaches over a quarter billion monthly listeners ?in America.

In January, news hit that iHeartMedia was reassessing its ability to adapt to the modern music industry. The company said that it plans to make “significant investments … in technology and artificial intelligence.”

However, its on-air DJs were caught off guard when they found out that the company’s restructuring plan didn’t include them.

Streaming platforms has ushered in the digital age of music where each person make their own playlists. What does that mean for the future of the on-air DJ in the United States?

Click here to listen to the audio.

A comprehensive lab comparison between multiple software defined radios (RTL-SDR.com)

Librespace, who are the people behind the open hardware/source SatNOGS satellite ground station project have recently released a comprehensive paper (pdf) that compares multiple software defined radios available on the market in a realistic laboratory based signal environment. The testing was performed by Alexandru Csete (@csete) who is the programmer behind GQRX and Gpredict and Sheila Christiansen (@astro_sheila) who is a Space Systems Engineer at Alexandru’s company AC Satcom. Their goal was to evaluate multiple SDRs for use in SatNOGS ground stations and other satellite receiving applications.

The SDRs tested include the RTL-SDR Blog V3, Airspy Mini, SDRplay RSPduo, LimeSDR Mini, BladeRF 2.0 Micro, Ettus USRP B210 and the PlutoSDR. In their tests they measure the noise figure, dynamic range, RX/TX spectral purity, TX power output and transmitter modulation error ratio of each SDR in various satellite bands from VHF to C-band.

The paper is an excellent read, however the results are summarized below. In terms of noise figure, the SDRplay RSPduo with it’s built in LNA performed the best, with all other SDRs apart from the LimeSDR being similar. The LimeSDR had the worst noise figure by a large margin.[]

Radios that Never Were (N9EWO)

Dave Zantow (N9EWO) shares a new page on his website devoted to receivers and amateur transceivers that never quite made it to the marketplace. []

Shortwave: A Modern Internet Radio Player for Linux (It’s Floss)

Brief: Shortwave is a modern looking open source Internet Radio player for Linux desktop. We take a quick look at it after its recent stable release.

Shortwave is an interesting open-source radio player that offers a good-looking user interface along with a great experience listening to the Internet stations. It utilizes a community-powered database for the Internet stations it lists.

Shortwave is actually a successor of the popular radio app for Linux, Gradio. Its developer Felix joined GNOME and discontinued Gradio to create Shortwave from scratch in Rust programming language. If you were using Gradio as your preferred Internet radio station player, you can import the library as well.

Recently, Shortwave released its first stable version and seems to push new updates after that as well.[]


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Radio Waves: ACMA Report, Maine Stations Close, The National Emergency Library, and RAF Bombing Disrupted Propaganda

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’sRadio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Alan, Bill Mead, Bill Hemphill, and Gregg Freeby for the following tips:


The future delivery of radio (Australia Communications and Media Authority)

The ACMA released an issue paper in May 2019 to hear from industry about the delivery of radio.  We also wanted to consider if there needs to be any changes to support radio services into the future.

Following this, we conducted a public consultation, receiving submissions from across the industry. We found that live radio across different platforms is important to Australians. This is especially relevant during emergency situations, such as the recent bushfires. We also determined that a mix of platforms is crucial to bringing radio to listeners.

Our report identifies four broadcast spectrum planning priority activities to help support radio:

    • converting commercial, community and national radio broadcasting services from AM to FM where available
    • improving the coverage of radio broadcasting services where spectrum is readily available
    • making digital radio channel plans for regional DAB+ where there is a planned rollout
    • supporting trials of new broadcasting technology.

Report to the Minister Future delivery of radio (319.59 KB)

WOXO says farewell to listeners; Gleason Radio Group to go silent after 45 years (Sun Journal)

AUBURN — On Maine Big Z’s “The Breakfast Club,” Mark Turcotte interviewed local business owners, entertainers, activists, and once last summer, a mixed martial arts cage fighter and state senator one hour apart.

“Had to shift gears pretty quickly that morning,” quipped Turcotte, the morning show host since December 2018.

On Wednesday, he was abruptly down to two final shows.

Gleason Radio Group announced that its five stations will go off the air at 7 p.m. Sunday. They include Norway, Paris, Rumford, Mexico and Auburn.

“This feels like the end of an era in Maine radio,” Turcotte said.

Kathy Gleason has run the business with WOXO station manager Vic Hodgkins in the year since her husband, founder and former Auburn Mayor Dick Gleason, died.

“I feel that I tried very hard to keep it going and at the same time have it be for sale,” Gleason said. “It didn’t sell, it may sell. The coronavirus was kind of like the last straw as far as finances go.”

Hodgkins said a combination of low receivables and slow payments, combined with a projected drop in advertising because of COVID-19, has resulted in the need to close the stations.[]

Announcing The National Emergency Library (Internet Archive)

To address our unprecedented global and immediate need for access to reading and research materials, as of today, March 24, 2020, the Internet Archive will suspend waitlists for the 1.4 million (and growing) books in our lending library by creating a National Emergency Library to serve the nation’s displaced learners. This suspension will run through June 30, 2020, or the end of the US national emergency, whichever is later.

During the waitlist suspension, users will be able to borrow books from the National Emergency Library without joining a waitlist, ensuring that students will have access to assigned readings and library materials that the Internet Archive has digitized for the remainder of the US academic calendar, and that people who cannot physically access their local libraries because of closure or self-quarantine can continue to read and thrive during this time of crisis, keeping themselves and others safe.

This library brings together all the books from Phillips Academy Andover and Marygrove College, and much of Trent University’s collections, along with over a million other books donated from other libraries to readers worldwide that are locked out of their libraries.

This is a response to the scores of inquiries from educators about the capacity of our lending system and the scale needed to meet classroom demands because of the closures. Working with librarians in Boston area, led by Tom Blake of Boston Public Library, who gathered course reserves and reading lists from college and school libraries, we determined which of those books the Internet Archive had already digitized.  Through that work we quickly realized that our lending library wasn’t going to scale to meet the needs of a global community of displaced learners. To make a real difference for the nation and the world, we would have to take a bigger step.[]

World War II’s Strangest Bombing Mission (Air & Space)

The RAF knew how to cut the power on propaganda.

eichsmarschall Hermann Göring was beside himself with anger. Years before, he had told the people of Germany that no enemy aircraft would ever cross the country’s borders. Now, on January 30, 1943, a national day of celebration marking the 10th anniversary of Hitler’s rise to power, Göring was made to look like a buffoon.

Dodging in and out of slate gray clouds, Royal Air Force bombers from No. 105 Squadron howled across Berlin. With bomb doors open and Merlin engines at their limits, the wail from a trio of de Havilland Mosquitos mixed with blasts from anti-aircraft batteries below. If everything went as planned, all that noise was going to be on the radio.

In Berlin, amid the grim news from the battlefronts in North Africa and Stalingrad, the January 30 celebration was intended to take German minds off their fallen soldiers and reversals of fortune. The Nazis were going to have a parade. Göring, one of the most powerful figures in the National Socialist German Workers’ Party, was about to deliver a speech to kick off the opening ceremonies in the capital city. British operatives knew it all. They even found out what time the Luftwaffe commandant was due to step to the podium at the Air Ministry Building—exactly 1100.

Royal Air Force leaders had dispatched orders to a pair of Mosquito squadrons experienced in low-level attacks. “I was playing [cards] in the crew room when my driver first told me we were going on an op,” Sergeant Richard Charles “Lofty” Fletcher later told reporters. “I must admit I was a bit shattered when I found out it was Berlin.”

The 400-mph Mosquitos were undertaking the RAF’s first daylight bombing attack on Germany’s largest city. Their target was not the parade route or even the Reichsmarschall himself, but something bigger. It didn’t take a top-level English spy to figure out that Göring’s remarks would be transmitted to the far corners of the Third Reich. The bombers banked and streaked towards Berlin’s Haus des Rundfunks—the headquarters building of the German State broadcasting company.

Göring and the radio building were slightly more than four miles apart—a distance that the Mosquitos could cover, going all-out, in roughly 40 seconds. And the cacophony they brought with them traveled even faster. As the mics went live and Göring began to speak, the roar of impending catastrophe became audible over the radio.[]


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Radio Waves: QSL delays, Radio’s Chance to Matter, Radio Listening Booms, and Experimental Radio News

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’sRadio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Roseanna, the International Radio Report, Bennett, and Eric McFadden for the following tips:


QSL news for March 2020: Radio Taiwan International and Radio Slovakia International (The Girl with the Radio)

I have some news, first from Radio Taiwan International:
Due to COVID-19, RTI has decided to suspend posting QSL cards to the countries listed in the image [attached].

If you live in any of these countries I would advise you to expect significant delays in receiving a physical QSL card from RTI.

Secondly, Radio Slovakia International have announced on their show that they currently don’t expect to be able to have QSL cards made and/or sent out in a timely manner for quite some time, again due to COVID-19.[]

Radio, Don’t Blow Your Chance to Matter Again (Guest Column — Variety)

Radio, I’ve just about had enough of you and your abandonment of your defining purpose as broadcasters. With the coronavirus pandemic now ravaging everyday life and suspending every reliable comfort from work routines to sports and entertainment or actual human contact, we’re looking for steadiness somewhere — an echo of the familiar, a kindred connection. Anything to tether us to something recognizable. A service the radio dial used to provide — and public radio still does.

Corporate radio is missing its biggest opportunity in a generation right at this moment.

Based on the events of the last few days in Los Angeles, market No. 2 with a 60-plus year history of rich and vibrant local broadcasting excellence, it appears there is little wisdom or vision left. Case in point: the vast audience disconnect in Entercom’s abrupt and confusing decision at KROQ-FM to fire morning show personality Kevin Ryder on Wednesday, someone who is a heritage voice in L.A. with a long local history as half of the “Kevin & Bean Show,” a well-loved talent who had just launched the freshly-formed team “Kevin in the Morning With Allie & Jensen” this past January (in the wake of longtime partner Gene “Bean” Baxter’s retirement last year). But instead of capitalizing on that position of strength, using this particular anchor as a steady ship for the approaching tidal wave of pandemic upheavals, KROQ chooses to obliterate a main source of humor and comfort from its airwaves right at a moment when the attending audience needs stability more than ever.[]

Coronavirus: Radio listening booms while music streaming stalls (Southgate ARC)

BBC News report that people staying at home due to the coronavirus pandemic appear to be listening to more radio rather than music apps, figures suggest.

Global, which owns Capital FM and talk station LBC, said online radio listening had risen by 15%.

The BBC said streaming of its radio stations had risen 18% since last week.

Meanwhile, data from two US analytics companies suggested use of music-streaming apps such as Spotify had dipped by about 8%.

“These figures indicate that the public are turning to radio in times of crisis,” a Global spokeswoman said.

BBC Radio and Education director James Purnell said: “People turn to us during significant events for our news and analysis but also for music, entertainment and companionship.

Article continues here:
https://www.bbc.co.uk/news/technology-52037461

Experimental Radio News 2

Experimental Radio licenses from the files of the Federal Communications Commission

On February 24, 2020, Lynk’s experimental satellite licensed as WQ9XDP was received on an unmodified mobile phone in the Falklands. The test apparently was in “cell broadcast” mode — as in Wireless Emergency Alerts and Amber Alerts — and not an individualized call to a specific handset. (The video below contains an expletive.)

[…]WJ2XUG was issued to PointView Tech, reportedly a unit of Facebook, for the Athena satellite project in the 70 and 80 GHz bands. At this writing, the public record for this experiment was incomplete as the FCC had asked PointView for additional ground station information.

[…]Viziv Technologies, licensee of WJ2XGB, a giant experimental station in Texas, has proposed additional uses for its technology beyond wireless power transmission.

[…]Another wireless power venture is Guru Wireless, which was issued WK2XRN for tests at 10, 24 and 62 GHz. “Radio wave energy is generated in the GU [generating unit], and then it is refracted and channeled into highly focused beams, which reach and power your devices,” according to the Guru website.

[…]Rohde & Schwarz USA was issued WP9XZP for Special Temporary Authority in association with Microsoft, which is evaluating security scanners apparently for its own use. The Rohde & Schwartz product is a “millimeter wave security scanner that automatically detects potentially dangerous items carried on the body or in clothing. It consists of a flat panel with 3,008 transmitter/receiver pairs that emit extremely low-power millimeter waves in very short succession,” the company said.[…]

These are clippings from Experimental Radio News–click here to read the full items.


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