Category Archives: AM

WAMU Metro Connection visits the Mid-Atlantic Antique Radio Club

MAARC-ClubMany thanks to SWLing Post reader, Paul, who points out this episode of WAMU’s Metro Connection where reporter Rebecca Sheir visits the Mid-Atlantic Antique Radio Club (MAARC).

You can listen the report on Metro Connection, or simply click here to download the whole podcast (MAARC is the first piece).

Click here to check out the MAARC website.

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The Tecsun ICR-110 packs AM/FM and digital recording/playback

Photo: BigBargainsOnline from eBay

In a comment, SWLing Post reader Owl mentions:

“Tecsun has just released ICR-110 which is as BIG as the PL-880 and seems to have the same speaker too.”

The ICR-110 can be found on eBay–click here to search. At $46.00 US shipped, I’m very tempted to purchase it. Though it lacks shortwave, it appears that it can record AM (MW) and FM broadcast stations in either MP3 or WAV formats. While I’ve yet to find a radio that can make a digital recording with acceptable fidelity (the CC Witness Plus being a notable exception) I would like to think the engineers at Tecsun have nailed it.

I have a friend who has recently purchased the ICR-110, and am looking forward to his review! (hint, hint)

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Can you help Bill find a Kenny Mayer aircheck?

(Photo source: http://www.qsl.net/wb1gfh/mayer.html)

(Photo source: http://www.qsl.net/wb1gfh/mayer.html)

SWLing Post reader, Bill Albert, writes:

“I am trying to find an “air check” of Kenny Mayer, a well-known Boston late-night radio show host (now deceased) during the 1960’s and 1970’s. His show aired from 12-2AM Mondays, so it was one of the few interesting things one could listen to at that hour. He would play bits from classic old comedy albums (e.g., Bill Cosby and Bob Newhart in their stand-up days), and he’d ad-lib the sponsors’ advertisement spots himself. He was really a character, and his voice had a very unique cadence and intonation. I did manage to find one clip from a 1966 show featuring a routine entitled “The Great Society Affair”—a parody of the wedding of President Johnson’s daughter. God, how long ago that was!! Different world. There was also a bit by Godfrey Cambridge, and a number of Kenny’s home-made commercials. However, I’ve since lost that clip, and in any case I played and replayed it to exhaustion. If anyone has another “air check” of Kenny’s show, I would love to get a copy.”

If anyone has a lead for Bill, please comment!

If you’d like to read more about Ken Mayer, Bill suggests this article.

[Update: When I posted this request a few hours ago, I mistakenly posted the photo and information for Kenny Meyer instead of Kenny Mayer. Both of these gentlemen were prominent figures in the Boston broadcasting scene around the same time period (hence my confusion!).]

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Chorus 4: The DSP chip that supports AM, FM, DAB, DAB+, HD Radio and DRM

FrontierSiliconThe London-based digital solutions company, Frontier Silicon, has announced a new DSP radio chip that offers a wide array of available modes and is even DRM ready.

I have seen no specifications for this chip yet, and do not know if it covers the shortwave radio spectrum.

Still, this might be the perfect chip to allow radio manufactures to design an inexpensive, fully digital product in countries where digital platforms are gaining strength (anywhere from the UK to India, for example).

Many thanks to Rob De Santos for apprising me of this. I’ll post the specifications when they become available. Read the full press release below:


(Source: Frontier Silicon Press Release)

Chorus 4 a single-chip solution, integrating four previously separate chips

London, 17th December 2013

Frontier Silicon announces details of Chorus 4, its next generation digital radio chip. Chorus 4 is a single-chip solution, which integrates four previously separate chips to deliver significant cost and energy consumption savings.

Chorus 4 is the fourth generation chip from Frontier Silicon. The chip is designed to encourage the continued advance of digital radio around the world by supporting all major global digital radio standards. Chorus 4 provides solutions for multiple devices, including consumer radios, the automotive aftermarket and, for the first time, smartphones and tablets. The company’s previous solutions have already powered over 20 million digital radios worldwide.

The key features and benefits of Chorus 4 are:

  • Low cost, single chip solution: integration of RF front-end, baseband, application processor and DAC (“four chips in one”) delivers significant cost savings which enable high quality, entry-level price point digital radios
  • Ultra-low power consumption – one month’s listening for 5-6 hours a day on a portable radio with four D cell batteries (comparable to FM performance)
  • Multiple solutions for portable and table-top radios, smart-device docks, wireless speakers, hand-held receivers, sound-bars and audio systems
  • Automotive aftermarket – solutions for head units, integrated convertors and low cost adapters
  • Smart devices – enables digital radio solutions for mobile phones and tablets
  • Bluetooth connectivity – connecting smart devices and digital radios to enable hybrid radio (with interactivity and additional content delivered via IP), music streaming and remote control
  • Integrated service guides – new software will enable listeners to select stations from a single list of digital and analogue stations regardless of platform
  • Multiple radio standards – including support for AM, FM, DAB, DAB+, HD Radio and DRM

Digital Tick compliant – Chorus 4 solutions meet all technology requirements of the UK minimum specifications for both domestic and automotive digital radio devices.
Frontier Silicon CEO, Anthony Sethill, said

“Chorus 4 represents a step change for the digital radio market. After ten years of development on this and previous solutions, we now have our fourth generation chip – an integrated, single chip offering enhanced functionality, lower cost and significantly greater energy efficiency. Chorus 4 will power multiple devices, including low cost automotive adapters and devices with Bluetooth connectivity. For the first time, digital radio in mass deployment smartphones will become a viable proposition. As a multi-standard chip, Chorus 4 will address emerging opportunities around the world. I look forward to working closely with broadcasters, transmission operators and device manufacturing partners to address these exciting opportunities.”

About Frontier Silicon Limited

Frontier Silicon is the world’s leading supplier of integrated circuits and modules for digital radio and connected audio products. Frontier Silicon is part of the Toumaz Group, a pioneer in low-power wireless semiconductor and software technologies for the consumer audio and wireless healthcare markets.

The group is headquartered in London, England, with design centres in Oxford, Cambridge, Hong Kong and Romania. The company also has sales and technical support teams in Hong Kong, China and Japan.

Frontier Silicon’s audio products offer solutions for DAB/DAB+, Internet radio and connected audio – from silicon through software to production-ready platform designs.

Customers supplied by Frontier Silicon include Argon, Bang & Olufsen, Bose, Bush, Denon, Dual, Geneva, Goodmans, Grundig, Hama, harman/kardon, Hitachi, JVC, Magic Box, NAD, Onkyo, Panasonic, Philips, Pinell, Pioneer, Pure, Revo, Roberts, Ruark Audio, Sangean, Sanyo, Sharp, Sony, TEAC, TechniSat, Tivoli Audio and Yamaha.

Frontier Silicon is a trademark or registered trademark of Frontier Silicon Ltd.

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WG2XFQ: Brian Justin’s holiday longwave broadcasts

Reginald Fessenden: "The Father of Radio Broadcasting" (Source: Wikipedia)

Reginald Fessenden: “The Father of Radio Broadcasting” (Source: Wikipedia)

SWLing Post reader, Tom, recently shared a link to an article on the ARRL news page which describes this annual longwave broadcast:

“As he has over the past several years, Brian Justin, WA1ZMS/4 — an active participant in the ARRL’s WD2XSH 600 meter experimental project — will transmit voice and music on 486 kHz as WG2XFQ on Christmas Eve and Christmas Day and again on New Year’s Eve and New Year’s Day. Transmissions will begin at 0001 UTC and end at 2359 UTC.

Justin, who may be better known for his microwave exploits on ham radio, will use an AM audio loop modulating his vintage-style, homebrew transmitter to honor Reginald Fessenden’s Christmas Even 1906 AM voice transmission.”

Since I’m a sucker for radio history, I contacted Brian Justin and he kindly answered a few questions:

Brian Justin with his homebrew transmitter (Source: http://w4dex.com/500khz/wd2xsh31.htm)

Brian Justin with his homebrew transmitter (Source: w4dex.com)

SWLing: How did you first become interested in longwave (LW)?
Justin: Always had an interest in history of radio since becoming a ham at age 11. Early wireless had emphasis on LW and so it was a good trail to follow in my years as a ham.

SWLing: Is the process of getting a license to broadcast complicated?
Justin: Yes and No. What I hold is not a broadcast license as a TV or FM or AM station would have. I hold an FCC Part 5 license which is for The Experimental Radio Service. The LW and MF spectrum is formally US Govt spectrum that is managed by the NTIA (the US Govt Agency version of the FCC). So before the FCC can issue any license that is in non-FCC regulated bands the NTIA must first approve any license Grant. A good number of people who are involved in radio today don’t always understand the difference between FCC and NTIA spectrum. But licenses can be granted if you have the willingness to wait and know how the application process works. It’s not all that difficult once you know the context of what one is asking for.

SWLing: What is the best time to listen for WG2XFQ and how can listeners improve their chances of hearing you?
Justin: The transmissions are only a few times each year to mark historical dates in radio history. I try to make at least two each year, one for Fessenden and one for the Berlin Radio Treaty. I also ran one on the 100th Aniv of the sinking of the Titanic since wireless played a big role in the tragic event.

A loop antenna is a good antenna to try as one can at least null any loud noise source. But simple E-field probe antennas have worked for many in years past.

Anyone who copies WG2XFQ is encouraged to submit a logging of it at 500kc.com.

Thank you and good DX to all this Holiday Season. I hope I can deliver a tiny DX gift to all if the band is in good condition this year.


Many thanks, Brian!

I will be listening for WG2XFQ on 486 kHz on December 24th and 25th, then again on December 31st and January 1st. With any luck, and if conditions are favorable, perhaps I’ll hear a little longwave DX commemorating Reginald Fessenden’s Christmas Even 1906 AM voice transmission.

Readers, be sure to check out Brian Justin’s web page and the ARRL 600 meter experimental group’s website. Please log your WG2XFQ listener reports at: 500KC.com

If you would like to learn more about Reginald Fessenden, check out Fessenden.ca.

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Eton self-powered radio $9.99 eBay Daily Deal

EtonFlashlight[UPDATE (16:20 UTC): the seller just raised the price to $14.99 each shipped–still an excellent deal!]

SWLing Post reader Paul comments with an excellent eBay Daily Deal:

Eton American Red Cross Hand Turbine AM/FM/NOAA Emergency Weather Radio and LED Flashlight $9.99 + Free Shipping (eBay Daily Deal)

http://www.ebay.com/itm/390713915253

Without a doubt, this is the best deal I’ve ever seen for an Eton self-powered AM/FM/NOAA weather radio.

They limit five per customer–I just bought five of them.

A very inexpensive and useful gift for anyone on your shopping list.

Eton American Red Cross Hand Turbine AM/FM/NOAA Emergency Radio/Flashlight

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Mike gives the Sangean PR-D15 high marks on AM

SWLing Post reader (and my good friend) Mike Kitchen writes of his new Sangean PR-D15:

The Sangean PR-D15

The Sangean PR-D15

Having had the Sangean PR-D15 radio for about 10 days, I’m developing a respect for it.

With what I’ve learned in its use, there is a simplicity in operation that many should enjoy.

The big feature for a radio that I really must insist on, is being able to plug this radio into 12V DC with a power supply plug.  And this PR-D15 has this capability.  I am using a 12 Volt DC, 12 Amp Hour battery as power supply to this radio.  Digital displays and their illumination can really eat “AA”, “C” and “D” battery power, and using a 12V Gel Cell, AGM or auto battery allows many, many hours of listening.

Th Sangean PR-D15 uses a 200MM Ferrite bar internal antenna.  So far, after about 25 hours of AM DXing alone (not including daily AM use), I’ve learned this radio can really hear!

In a few days, I’ll do some side by side reception tests with the PR-D15 alongside my CCrane CCRadio-SP twin-ferrite analog portable radio.  And then, more side by side’s with a CCRadio-2E, the Enhanced version.

Mike, I look forward to your future radio comparison with great interest! The Sangean PR-D15 sounds like a keeper.

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