Monthly Archives: January 2024

Video: Giuseppe explains wiring/construction of DICA Homebrew Antenna

Many thanks to SWLing Post contributor, Giuseppe Morlè, who writes:

Dear Thomas and SWLingPost Friends,

I’m Giuseppe Morlè iz0gzw,

Many friends have asked for the DICA wiring diagram after my recent post and demonstration.

I’m not a technician but a simple passionate listener and qrp’er… I made this video with a drawing that I hope will be useful to understand the details and how it works…

[Please note that this video is in Italian, but you can use YouTube Closed Captioning; it can even translate the subtitles into English or any other language.]

Thank you all.
Giuseppe iz0gzw.

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Radio Waves: Audacy Files for Bankruptcy, WBCQ’s Ampegon Antenna, and FM DRM in India

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 NT, Dennis Dura, Alan, and Rich Cuff for the following tips:

WSJ Report: Audacy Close to Filing for Bankruptcy (Radio World)

Facing deadlines this year to pay back some of its $2 billion in debt, Audacy appears poised to file for bankruptcy protection, according to a report in the Wall Street Journal.

The WSJ says all that debt is about to trigger a Chapter 11 bankruptcy, possible within weeks, with senior lenders assuming ownership of the radio company following the reorganization. (Chapter 11 is the type of bankruptcy that allows a company to maintain operations while creating a plan to repay creditors, rather than Chapter 7, which involves liquidation of assets.)

Audacy has been slow rolling payback of its massive debt, which was mostly accumulated back in 2017 when the former Entercom Communications merged with CBS Radio. The broadcast company rebranded as Audacy in 2021.

The publicly-owned radio company has been skipping loan interest payments since late last year in efforts to facilitate talks with its lenders, according to reports to the U.S. Securities and Exchanges Commission. The broadcaster has blamed a softness in the ad markets for its inability to pay back the loans.

The WSJ says Audacy — which has $632 million in first lien debt due in Nov. 2024 — has reached agreement with its lenders for a “pre-packaged bankruptcy plan.” The business and economy-focused newspaper reports lenders will help finance the reorganization. It’s unclear if Audacy CEO David Field will remain with the company following the reorganization.

Audacy, which is one of the biggest U.S. radio owners with 230 radio stations in 46 markets, has gone through recent format reorganizations that have resulted in significant job losses through consolidation of on-air positions. [Continue reading…]

WBCQ Relies on High-Power Shortwave Antenna (Radio World)

One of the more unusual facilities featured in our recent Radio World ebook about interesting RF plants is at WBCQ. It uses what is believed to be the only rotatable shortwave antenna in North America.

The station operates from Monticello in northern Maine; it’s owned and operated by Allan and Angela Weiner, who also are licensees of WXME(AM) 780 kHz and WBCQ(FM) 94.7 MHz at the site.

Installed in 2018, the AHR 4/4/0.5 antenna was manufactured by the former Ampegon AG and can transmit signals up to 500 kW. It is used to broadcast “World’s Last Chance,” a ministry that believes “the return of Yahushua is only a few years away” according to Bible prophecy.

The program is heard on 9.330 MHz in various languages for target areas in both the western and eastern hemispheres. (The program has posted reception reports.)

The turnkey installation was done by Cestron International of Germany, with work led by Winfried Zimmer. Lance Cook was project manager for WBCQ.

“The high-power antenna offers different radiation patterns and an antenna gain of up to 23 dB and uses a technology characterized by a single-shaft structural design,” Cestron said in a project summary.

The tubular shaft has a diameter of four meters. Its support design will absorb static and dynamic forces originating from the antenna components, allowing the system to function even under extreme weather conditions, according to Cestron. [Continue reading…]

Roadmap 2024-DRM digital radio services in FM band in India (Broadcast and Cablesat)

All India Radio (AIR), the public service broadcaster in India, is providing terrestrial radio services in all the radio broadcast bands – MW, SW, and FM. Commercial broadcasting in FM band is licensed to private radio stations, and community radio stations are also permitted for non-commercial use.

At present, most of the terrestrial radio services in India are in analogue, except for some services of AIR in MW and SW bands, which are in DRM digital.

Keeping in view the advantages of digital radio broadcasting, the Telecom Regulatory Authority of India (TRAI), the regulator for broadcasting, on Feb 1, 2018, had recommended to the Ministry of Information and Broadcasting (M/o I&B), Government of India, that digital broadcasting in FM band (VHF band II) should also be allowed, without disturbing the existing analogue transmissions. [Continue reading…]

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GE Superadio: Purchasing Used Models for Restoration and a New Groups.io Discussion

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Many thanks to SWLing Post contributor and supporter, Chuck Rippel (K8HU), who shared the following comment on this post regarding his excellent Superadio restoration services. I wanted Chuck’s comment to get more visibility, so I am reposting it here (hope you don’t mind, Chuck!).

Chuck comments:

A number of folks have written, asking if I have any radios to sell. Every now and again, there is a model 1 or model 2 (they are electrically identical) that I offer for sale.

However, there is a better approach to obtaining a restored SR-1 or 2. Go up on E-Bay and look for a nice GE SR and have the seller ship it to me after you purchase it. Make SURE the seller encloses a note with your purchase with your name and contact information so I know to whom the radio belongs.

This one caught my eye and would be a worthy candidate for restoration and to add to a collection:

https://ebay.us/Mx7VEW

[Note: the eBay Partnership link above supports the SWLing Post at no cost to the buyer]

It’s also an excellent example of a decent SR being sold 2nd hand.

Couple things to watch for:

Shipping charges in excess of $20. Save for coast to coast or a rural area, $20 is about the reasonable limit. Many of the radios are picked up by people wandering through estate sales, thrift shops, garage sales, etc…. who have no idea what they are buying. Many see “GE Super Radio” and put it on E-Bay simply because the radio carries the “Super Radio” label. I would guess that is why there are so many Super Radio model 3’s on E-Bay. Those were made by RCA with a GE label printed on them but their performance is sub-par to the model 1 or 2.

Finally, if you have a SR-1 or 2 you’d like me to work on, drop a note and I’ll send you back a 2 page FAQ. It outlines what will be done, how to ship it and pricing which includes a couple of options from which to choose. Please read and understand the FAQ before shipping. If you decide to send it, please do it promptly and let me know it’s coming. I ask you to include your POC information with the radio and that’s best done on a word processor or note pad then printed. Sometimes, handwritten script is a bit difficult to read.

I’ve gotten radios with no return address or POC sent from a UPS store, (who does that go back to?). There are a few options from which to choose and I strongly recommend 1, having Conformal Coating applied to the solder side of the PCB’s. Solder is hydroscopic and can absorb moisture over time and we won’t get into battery acid. My conformal coating is similar to the “MFP” process used on certain mil-spec electronics save that unlike MFP, I only apply coating to the solder side of the board. A board treated to MFP has both sides coated.

Ok, now a general question:

I created a Groups.io page where those interested in the 2 GE Super Radios can share their experiences. The initial invitations went out, give it a couple days but if you did not get one and are interested, drop me a note. My e-mail address is in several location on this blog [including in this post].

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D.I.C.A.: Giuseppe’s latest homebrew portable antenna

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Many thanks to SWLing Post contributor, Giuseppe Morlè, who shares the following antenna project:

Dear Thomas and SWLing Post Friends ,

I’m Giuseppe Morlè, iz0gzw, from Central Italy, Formia on the Tyrrhenian Sea…
Some time ago I had drawn this minimal HF antenna on paper…

I took advantage of the New Year’s Eve rain to be able to build it with the usual leftover scraps…

The system consists of a 35 cm tube with two separate windings of telephone cable on it, 2.5 m on each side, green and white…in the center I connected the 4 ends to X…

The green lead with the white and the white with the green to the variable capacitor and the other two leads to the RG58 cable that goes to the receiver.

I started the test and noticed that the agreement was possible from 7 to 21 MHz…

I then placed a long ferrite inside the tube…

I noticed a strengthening of the signal and consequently of the noise picked up and the chord dropped to 3.2 MHz.

Tests inside my shack showed decent reception on all ranges…in the evening on the balcony on 80 m. I could perfectly listen to a QSO between Italian stations.

Everything is still in the experimental phase and I think I will try this minimal system also in QRP transmission.

In this first video I explain how this minimal antenna is made:

The second video concerns a 20 meter test by car. The antenna is placed on the dashboard of the car inside:

In the third video, I explain how it works without the ferrite and with the ferrite inside the tube:

In this video you can see the test on 40 m. outdoors on the roof of the house:

The tests are carried out at home in order to understand what can be achieved in an environment that is difficult to receive.

I will do more outdoor tests and I think this small minimal antenna will receive better. I will keep you informed.

Thank you all for your attention and I wish you all a new year full of satisfaction.

’73 de Giuseppe iz0gzw.

Fascinating, Giuseppe! I love all of these brilliant little antennas you design out of your “junk” drawer! We look forward to hearing more about this antenna and any modifications you make to it!

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The Yoto Player: Chris’ Unconventional Wifi Radio Alternative

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Many thanks to SWLing Post contributor, Chris, who writes:

Hello Thomas,

As a long time SWLing Post reader, I wanted to pass along something you and your readers might find interesting in the subject of internet radios.

While I have many MW and SW radios in my collection, I have reluctantly researched some PORTABLE wifi radios recently with the full knowledge that the satisfaction of catching a marginal broadcast signal no longer exists with this technology. But I have stumbled upon a PORTABLE internet radio that is not marketed as an internet radio, and it was right under my nose (or at least in my house) for a year before I discovered this.

As a father of two young children, I recently purchased a Yoto Mini player for them and a Yoto Player for myself (well, for them too):

https://us.yotoplay.com/yoto-player

This was after the realization that aside from the juvenile look to the Yoto, it fulfills all of my requirements of a portable internet radio player that the big players like Sangean, Ocean Digital, Lemega, and others cannot seem to attain in one product:

- - 24 hour battery life, rechargeable
  - very strong WIFI connection that covers whole house (can be BT speaker too, for those who use that)
  - much better sound and solid build
  - simple operation
  - no dependency on the status of online station database (** more below)
  - $120 or less ($70 for Mini)
  - other “tech” features people might use, but not necessary

Essentially, you place a credit card sized content card in the Yoto, it reads the song information by RFID, and downloads it from your online account so that it can play pre-recorded books or songs with or without internet connection.

HOWEVER, you can add radio station URL links to be ‘burned’ to a Yoto card as well and connect to those radio stations through the player. I have tested this and it works. Some use cases are that you could place multiple stations on one card and select which one from the Yoto (each with a custom graphic image to identify the station), or you could put one station on each Yoto card to feel more like you’re actively switching stations. Or you could put different genres of radio stations (music, talk, etc.) on a different card.

There are easy ways to find the actual URL of a streaming radio station.

If some people are looking for an internet radio that connects to a worldwide station database, the Yoto does not do that. But I don’t see myself needing that, because I would rather just add my favorite 5/10/20+ stations and jump between those. Connection status or retirement of online station databases seems to be a common source of complaints in the internet radio reviews I have read.

Please tell me your comments, and/or feel free to post this as a discussion topic on your blog.

Thanks,
Chris

Wow–I was not familiar with this device, but as you say, in a sense it’s a very robust interactive audio device with incredible battery life. I like the fact that so much of it can be used offline as well. I’m sure readers will have some comments and questions! Perhaps you can share more of your experience in the comments section of this post!

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