Michael

DRM MEMBER AMPEGON WINS A NEW SHORTWAVE TRANSMITTER CONTRACT WITH RNZ

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RNX DRM transmitter upgrade

In September 2022, Ampegon Power Electronics AG and RNZ (New Zealand public broadcaster) signed a contract to supply a new TSW2100-V4 100 kW shortwave transmitter to New Zealand. The transmitter will broadcast the RNZ Pacific service to millions of people living across the Pacific with high reliability and energy efficiency:

For many years now RNZ has used DRM to feed FM stations in the Pacific islands, a sustainable and ingenious way to use the digital DRM standard to distribute analogue content and introduce digital broadcasting to far-away places in the Pacific. RNZ provides an essential shortwave service, 24 hours a day, for 22 broadcasting partners across the Pacific region.

This new transmitter upgrades their service to the newest standards, the most modern capabilities, and together with their current transmitter, can provide redundancy or additional services in the future,

The TSW-2100 transmitters is capable of both traditional analogue broadcasts and DRM digital broadcasting. It is designed to provide DSB and AMC analogue modes to significantly reduce power consumption and when broadcasting DRM, energy usage is reduced by up to 40% without compromising broadcast range.

Additionally, DRM provides FM quality stereo sound alongside a data stream which can be used to send text messages, advertising, images and the “Journaline” text service which provides capabilities for remote learning.

RNZ drm shirtwave radio transmitter

Richard Sutherland, Head of News at RNZ explains:. RNZ shortwave transmissions are a lifeline source of information, which helps to support sustainable social and economic resilience”.

The new transmitter is planned to be delivered in 2023 and put into operation in early 2024

A spokesperson from Ampegnon, Simon Keens said “With growing global instability, Ampegon is receiving more and more frequent requests for shortwave transmitters, which are capable of extremely long range international and intercontinental broadcasting. Additionally, with the increasing cost of energy, DRM digital shortwave broadcasting makes a lot of sense, saving over 40% of the energy at the flick of a switch. Radio New Zealand has chosen one of our most economical transmitter setups for maximum efficiency, while providing FM quality DRM coverage over the entire Pacific region over shortwave for decades to come.”

 

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Michael

Listen Out For The Worlds Most Powerful HF Transmitter October 23-26

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A Transmission Art Work for Ionospheric shortwave
HAARP transmissions Oct 23-26 
The High-frequency Active Auroral Research Program, or HAARP, is a scientific endeavor aimed at studying the properties and behavior of the ionosphere.
HAARP utilises is the world’s most capable high-power, frequency agile HF transmitter for study of the ionosphere, with a power output of 3.6 Gigawatts.
The primary instrument at the HAARP facility is the Ionospheric Research Instrument (IRI), a high power 180-antenna strong phased array transmitter that can transmit between 2.7 MHz and 10 MHz at a maximum effective radiated power (ERP) of 5.1 Gigawatts, or 97.1 dBW.
Source: https://www.sigidwiki.com/

The HAARP program is committed to developing a world-class ionospheric research facility consisting of:

  • The Ionospheric Research Instrument, a high power transmitter facility operating in the High Frequency range. The IRI can be used to temporarily excite a limited area of the ionosphere for scientific study.
  • A sophisticated suite of scientific or diagnostic instruments that can be used to observe the physical processes that occur in the excited region.

Observation of the processes resulting from the use of the IRI in a controlled manner will allow scientists to better understand processes that occur continuously under the natural stimulation of the sun.

The facility in Alaska used for scientific study of the ionosphere, and the possibility of enhancing the reflective characteristics or the ionosphere from the ground. Whilst this is scientifically interesting, it does have military applications. If generating a high power radio signal on earth could influence the reflection of signals from the magnetosphere or ionosphere, by changing the location of reflected signals coming back to earth, military communications could be enhanced or degraded at will.
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https://haarp.gi.alaska.edu/
Shortwave listeners might like to try to listen for these signals and record their findings of this unique event.
References:
https://www.gi.alaska.edu/news/haarp-begin-largest-set-experiments-its-new-observatory
During this series of high power RF experiments, programming will be provided: A Transmission Art Work for Ionospheric Research Instruments by Amanda Dawn Christie.  Details of programs and schedules can be found here: https://ghostsintheairglow.space/
There is also provision on this website to submit a reception report and view past reception reports from listeners around the world of previous experimemnts.  Past reception reports include one from New Zealand, so the signal should be receivable in Australia. The schedule of shortwave broadcasts that should be received around the world are below, or click  here: https://ghostsintheairglow.space/transmission/october-2022

Composition #2 October 2022

https://ghostsintheairglow.space/transmission/october-2022

Most shortwave listeners will be interested in the radio sections:

XI, XII, XVIII, and XX which will be broadcast every day at the times nominated in the schedule.

Shortwave Haarp transmissions

shortwave HAARP broad cast

shortwave test broadcast

 

For more of the broadcast descriptions and schedule, click here
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Michael

Amateur Radio Operators Assist in Guiding Disabled Boat to Bay

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We came across a story this month that reminded us of the importance of being educated in radio communication and a reminder of what a resourceful,  knowledgeable, and helpful community amateur radio operators are.

On September 7, 2022, a boat named  SV Nereida traveling from ​​Cape Flattery, the northwesternmost point of the USA to San Francisco, California became disabled after 2 days of 35 knot winds and storms. 

81 year old Jan Socrates, an experienced sailor who has sailed around the world without assistance, and in fact has been the oldest person to do so, found herself very low on power and her onboard radio equipment marginally operational. But her knowledge of amateur meant she knew how to get her message out to a community who could help!

Amateur operators in New Mexico, California, and Canada, and members of Group 7.155 heard her requests for assistance.

One such person who heard her request and in fact was able to contact Socrates on 40 metres was Gil Gray, N2GG. “Her power was extremely low, and she was unable to communicate on 14.300 MHz to notify the monitoring group on that frequency,” said Gray. “She needed help with wind and sea conditions, and tidal data for San Francisco Bay,” he added.

Q5 copy was almost impossible due to the low-power output on the HF radio which would typically be Q2 or Q3. Thankfully several software-defined radio (SDR) operators were on hand  in California, Utah, and Maui, Hawaii, who were able to glean enough copy to understand her situation and answer questions for her navigation.

Another stroke of luck was that several of these radio operators were also experienced sailors and helped guide Socrates through periodic contact with weather and wind reports.

Their last contact was on Monday, September 12, at 11:00 AM (MSDT). By this time, Socrates was sailing with only the forward sail on her 38-foot sloop. Thankfully, a “following wind” kept her moving without a mainsail. 

As the Golden Gate Bridge appeared within sight, Socrates was able to use the tidal information passed on by amateur radio operators to make it safely to Berkeley Marina in San Francisco Bay.

“I wouldn’t call it a rescue,” said Socrates, “just good amateur radio assistance — and I’m grateful for their help.”

This is actually one of 3 events in September in which amateur radio was able to provide emergency assistance.

If you would like to learn more about Jan Socrates’ travels, take a look at her Facebook page.

Do you know somebody who loves to travel and who would benefit from knowledge of shortwave? Send them this article, and indeed a link to this website as we have lots in interesting shortwave news, links, and resources, as well as the best range of shortwave radios available in Australia.

Adapted from the original article that can be found on https://www.arrl.org/news/

 

 

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Michael

Radios for Lismore’s flood effected areas

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Emergency radio donations for Byron

Image via AAP: Jason O’Brien ( abc.net.au)

As the Bureau Of Meteorology  declares another La Niña, increasing flood risk for the third year in a row, we reflect on those affected by this weather pattern last year.

Something those in eastern Australia have been all too familiar with over the last two soaking La Niña summers. 

According to Dr Margaret Cook, environmental historian and lecturer at the University of the Sunshine Coast and researcher at Griffith University. “The problem with a triple La Niña is that the ground is very wet already, our rivers are quite high, our creeks are full and our dams are quite full,””So we have less capacity to absorb this enormous amount of rain.”

It does not necessarily follow that this summer will definitely bring biblical floods.

But it doesn’t rule out the possibility of floods this summer. 

During a La Niña, the atmospheric circulation across the tropical Pacific is set up so that warm waters to Australia’s north-east and strong trade winds pump moisture into the atmosphere along Australia’s east coast. When the right systems come along they can then tap into that moisture, bringing about heavy rains and flooding. 

A situation all too familiar for those situated on the east coast of Australia.

Like many Australians, we wanted to find a useful way to help those that were affected by the floods.  

Lismore resident Christine Porter created a fantastic initiative to distribute Emergency radios to the flood stricken Lismore and surrounding community.

 Aptly named EMERGENCY RADIO Project Lismore Floods 2022.

Nsw floods

Christine found the BEST Emergency Radio by Tecsun Radios, Sydney. She realised that, as well as it being a great AM/FM radio, its primary function for emergencies matched the emergency we’d just had. It’s a torch, lightweight, stable, not too small. Its lithium battery is charged by USB, an inbuilt solar panel, or its own crank handle. It can be used as a power-bank, will pick-up shortwave, but most importantly: it has a siren and flashing beacon. 

After long discussions with the principal at Tecsun, and testing one herself, she believes something like this would have made a very real difference the night of the flood. Next time there may not be a bloke in a tinny going past at just the right time. 

Her aim is to put one of these radios into as many single-person households returning to the flood zone as she can – especially for older or less-abled people. The river rose 2.4 metres (8 feet) higher than the highest flood on record, so the flood zone has spread into parts of suburban Lismore it never had before. Christine has ordered 50 radios, with an option for another 50 later in the year. Her plan is to contact groups or individuals outside the North Coast region to fundraise for the purchase of the radios, in order to spread the volunteer load, and give people a specific way to help. Tecsun has kindly offered a discount  to support Christine.

Lismore is still broken; there is so much still to do. If you, or your organisation would like to contribute, Christine has set up a bank account to receive donations for the radios. She’ll send you a receipt and follow up info about how the project is going. If you’d like to send a card, or message to the recipient of your radio/s she’ll pass that on. It’s the small things as well as the grand gestures that we see making a difference. That night, in the rain and the noise, no-one would have imagined we’d all be still here knee-deep (waist, chest and chin deep) in worry so far into the future. Christine believes that the radio will save lives should an event like this happen again, but it will also reassure the traumatised that this time, if need be, someone will be able to hear them call out in the night. 

Best emergency radio

lismore flood relief shortwave radios

If you would like to donate a radio to Christine, please contact us at: hello@tecsunradios.com.au for special pricing

 

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Michael

Funding for 24 Hour Shortwave Broadcasts In The South Pacific

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RNZ shirtwave

In recent and welcome news, RNZ (Radio New Zealand) shortwave radio broadcasts have resumed from the hours of 5am to 9am ( NZ time) to the ​​Pacific region. A service that ceased back in 2016.

As a result of this decision, listeners in the remote areas of the Pacific will now have 24-hour access to these broadcasts instead of it turning off early in the morning every day. 

We have previously reported just how important these broadcasts are for many remote communities who regularly endure unexpected weather patterns and can lose contact with the mainland and emergency services. Emergencies don’t stop between the hours of 5am and 9am, therefore access to emergency broadcasts shouldn’t either.

We applaud the decision by the NZ Government to contribute extra funding for shortwave services. We hope the Australian Government is taking notes!

One of the most widely listened to broadcasts is the RNZ Pacific’s flagship daily current affairs programme Pacific Waves which is also broadcast by the BBC Pacific Service.

So, what will be broadcast ? At various times RNZ will run 3 different frequencies, at 5am NZT tune in on 7425 kilohertz, at 6am NZT listen on 9700 kilohertz, and at 8am NZT change the dial to 11725 kilohertz

This information and image is courtesy of the RNZ website.

For the full schedule of shortwave frequencies check out the RNZ Pacific website.

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Michael

International Lighthouse Weekend 2022

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lighthouse radio competition

Have you heard of the International Lighthouse weekend? This is an annual event held by International Lighthouse and Lightship Weekend (ILLW) where radio operators connect with each other from all around the globe on this one weekend in August. But the difference, they are all operating from different lighthouses around the world!!

 

This year it falls on August 20-21. This will be the 25th anniversary of the event. Because it is not a contest, amateurs may operate on any authorised frequency and mode permitted by their licence. 

We came across an interesting article containing suggestions of the origins of this event.

This idea originated after a cold winter in 1992-1993  after two avid amateur operators wanted to encourage operators to get out in the summer and “play radio” . Originally some ideas like historic Scottish castles, however, they decided that the lighthouses of Scotland would be ideal!! The event was not to be a contest but simply “fun” time for the whole family. Take your family to the beach for a picnic and use your radio as an added bonus that day/ weekend. 

It would appear that two lighthouse events were held for many years until eventually, the ‘The Amateur Radio Lighthouse Society assumed sponsorship and management of the ILLW event.

Want to listen in on the event? Most operation will take place on the HF bands, so this is an opportunity to listen on your Tecsun shortwave receiver. Normal operating conventions apply, so frequencies below 10MHz utilise LSB and frequencies above 10MHz use USB (upper sideband).

the lighthouse radio event

The Tecsun PL-365, Pl-368, PL-880, PL-990x, and H-501x can all be used for this event and we recommend our Outdoors MW/SW antenna also!!

Click this link to see a list of light houses in Australia for interested operators and listeners!!

https://wllw.org/index.php/en/

Please note, this is by no means the complete list but will give listeners an idea if the lighthouse closest to them will be operational. 

 

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Michael

WORLD AMATEUR RADIO DAY APRIL 18 2022

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The International Amateur Radio union (IARU) was formed on this day in 1925.

 A celebration of how amateur radio has been serving people for over 100 years.

With over 3 million radio amateurs worldwide this day is the perfect time to tune in and connect with fellow hobbyists.

Date: Monday April 18, 2022

Time : All Day

This year’s theme is “Celebrating Amateur Radio’s Contribution to Society” 

Every year on April 18, Radio Amateurs worldwide take to the airwaves in celebration of Amateur Radio.

The theme of World Amateur Radio Day (WARD) is celebrating Amateur Radio’s Contribution to Society which is incredibly relevant given the isolation and need for communication as we enter a 2nd year living with the global pandemic.

As we have mentioned previously the increase in interest in amateur radio during the pandemic was significant with many amateurs supporting each other by creating nets or on line meet ups.

The team at Tecsun radios Australia have been humbled to see a rise in interest and participation in shortwave radio.

We celebrate how shortwave began. Here is a brief history:

Amateur Radio experimenters were the first to discover that the short wave spectrum — far from being a wasteland — could support worldwide propagation. In the rush to use these shorter wavelengths, Amateur Radio was “in grave danger of being pushed aside,” the IARU’s history has noted. Amateur Radio pioneers met in Paris in 1925 and created the IARU to support Amateur Radio worldwide.

Just two years later, at the International Radiotelegraph Conference, Amateur Radio gained the allocations still recognized today — 160, 80, 40, 20, and 10 meters. Since its founding, the IARU has worked tirelessly to defend and expand the frequency allocations for Amateur Radio. Thanks to the support of enlightened administrations in every part of the globe, radio amateurs are now able to experiment and communicate in frequency bands strategically located throughout the radio spectrum. From the 25 countries that formed the IARU in 1925, the IARU has grown to include 160 member-societies in three regions. IARU Region 1 includes Europe, Africa, the Middle East, and Northern Asia. Region 2 covers the Americas, and Region 3 is comprised of Australia, New Zealand, the Pacific island nations, and most of Asia. The International Telecommunication Union (ITU) has recognized the IARU as representing the interests of Amateur Radio.

(information courtesy of Iaru.org)

Radio is a fantastic way to discover radio programs from different regions both music and news from unfiltered sources, in addition, a fantastic way to receive crucial weather, aviation, and safety broadcasts whilst out of many standard network zones.
Take some time on Amateur Radio Day to explore the world of Amateur Radio and discover what new friends and communities exist all over the world.
 We have compiled our list below of some fantastic products for World Amateur Radio Day.
Eorlf amateur radio day 2022 shortwave
  1. The TRA Self Powered Communications Speaker 
  2. The TRA HF Portable Dipole antenna 
  3.  The 76th  of the famous World Radio and Television Handbook

A fantastic radio to use on World amateur radio day is the Xiegu G90 transceiver.

To celebrate World Amateur Radio Day, with every G90 purchase we will include a free CE-19 expansion interface worth $80. Use the Expansion interface to connect your G-90 transceiver to a PC, data terminal, or modem for operation in digital modes.

Limited time offer only available until midnight Tuesday the 19th April.

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Michael

The Famous World Radio TV Handbook-76th Edition

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THE FAMOUS WORLD RADIO TV HANDBOOK-76TH EDITION

Tecsun Radios Australia is proud to offer you the opportunity to own this piece of history in the making! 

This is 76th edition is the last printed edition of the famous World Radio and Television Handbook, used by shortwave enthusiasts around the world since 1947.

Do not miss the opportunity to acquire the last printed version of the valuable radio resource, often promoted as the most comprehensive guide to broadcasting on the planet.

A must-have for all short wave enthusiasts, This regularly updated handbook is the culmination of an international network of contributors to provide the most up-to-date information on mediumwave, shortwave, and FM broadcasts and broadcasters available in any publication.

This 670-page book contains the includes articles on the further development of HF transmitters, the history of Radio, technical monitoring at VOA, the history of KTWR on Guam as well as the following.

An A-Z country by the country directory of national radio stations with SW, MW, and FM frequencies and contact details, websites and more.

International Radio – full details of the broadcasters and their winter (B20) shortwave frequency schedules, with an expanded Clandestine section.

Frequency Lists – MW by frequency within the region, SW by frequency including DRM broadcasts.

Technical Articles

Reviews of the latest receivers & equipment, including many Tecsun models.

Alphabetical listing of TV broadcasters by country

Colour Maps showing SW transmitter sites

Reference pages including domestic and International Shortwave transmitters, DX Clubs, Standard Time & Frequency transmissions, Internet resources etc

reviews of wrth

Get your copy here

 

 

 

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Michael

Christmas Bundles 2021. Bundle and Save With These Great Gift Ideas

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RadioYes, it is the season of giving! With holidays coming up it is also the time for exploring your hobbies and creating your own space to do more of  the things you enjoy

If this year has taught us anything, making sure your home is as comfortable as possible is paramount.

If you have dabbled in shortwave in the past and enjoyed it, perhaps now is the time to invest in this fantastic hobby and expand your horizons!!

We have created some fantastic bundle packs that are not only great as a gift idea but are also great suggestions to set yourself up for the years ahead with some awesome radio listening!! Receive huge discounts when you buy these products at the same time, simply add items to the cart and use the above code at checkout to get your discount!Welcome to the world of internet radio.

Internet Radio listening pack.Already a shortwave enthusiast but want to optimise your shortwave listening to world wide online stations too? This is the perfect pack featuring our stylish Apogee internet radio used in combination with our HiFi communication headphones for comfort and clarity! Simply connect to your existing internet service. You can turn up the music and not bother anyone else in your home!

Deal price $305 Normally $345

Travellers Companion Pack

The FDPRO is perfect for travelling. Keep in touch with others in your immediate area, buy two units and keep in touch with the kids. Ideal for car to car communications, yet with the flexibility to keep in your grab bag in case of emergencies. Keep in touch over the CB band when you are on the go.

Accompany this with an Emergency radio that contains USB charger, emergency alarm and flashlight and you are set for the road and prepared for anything.

 The perfect gift for people who may be about to hit the road travelling around Australia, those who live in rural areas or people who love to go camping and get out and about in nature.

Deal price $285, normally $305The DRM Pack

This fantastic pack broadens your listening to the digital radio world allowing you to both listen to shortwave and ​​receive and decode DRM Shortwave Radio signals

Finally, a stand-alone Digital Radio Mondiale (DRM) Shortwave Radio has arrived and is available for DRM and shortwave radio enthusiasts to add to their collection.

The TRA Q-3061 DRM Shortwave Radio has been a long time coming and after evaluating dozens of samples over the years we have finally found a stand-alone desktop DRM radio that is suitable for Australian, New Zealand, and Pacific Islands listeners.

The TRA Q-3061 DRM Shortwave Radio is primarily designed to receive and decode DRM Shortwave Radio signals but the radio can also be used to receive traditional Shortwave (AM) broadcasts, FM, and AM (MW) broadcasts. The Tecsun Radios Australia Q-3061 DRM Shortwave Radio receives DRM, FM, and Shortwave (AW) signals via the inbuilt telescopic antenna, or for superior reception, the radio provides two dedicated external antenna BNC connections for DRM, Shortwave (AM), FM, and AM (MW) signals. On the FM band, this receiver also decodes RDS where broadcast. In slow tuning mode, the frequency step is reduced to 1 kHz. This is an advantage when tuning the extended MW band (530-1710 kHz) to receive specialised broadcasters in Australia.

The TRA Q-3061 DRM Shortwave Radio is for experienced shortwave users. There is a limited number of DRM signals available in our region although the total number of DRM broadcasts are increasing. This radio is squarely aimed at radio enthusiasts and DXers, most signals require an external antenna, experience, and patience.Included in this pack is the reception boosting Tecsun Shortwave and AM Outdoor Antenna which significantly enhances the reception of signals in the medium wave (AM) and shortwave antenna bands covering 0.5-30 MHz. The Tecsun Shortwave and AM Outdoor Antenna is based on a long wire antenna design but provides significantly improved reception over a long wire because the Tecsun Shortwave and AM Outdoor Antenna utilises a matching transformer that acts as a balun with a ratio of 10:1.

This pack is $600, normally $640Complete Hobby Radio Shack Pack.

Receive huge discounts when you buy these products at the same time, simply add items to the cart and use the above code at checkout to get your discount!Go on, you deserve it. You have worked hard your whole life and now is the time you can dedicate to exploring the fantastic hobby that is shortwave. Beyond a man cave, a radio shack is a place you go to tinker, to tune and to uncover some of the world’s mysteries within one of the oldest hobbies around!!To complete your radio shack we recommend the following bundleThe S2000, a quality desktop radio that not only looks the part with its classic styling it also will enable you to tune in to SW, MW, AM and FM to follow your favourite stations and perhaps happen across a new broadcast you have ever heard before!Included in this bundle is the MLA-30+ Shortwave Loop Antenna that can be mounted indoors to boost the performance of your Shortwave radio and increase the number of radio stations and broadcasts that can be received.Once you have found your favourite stations simply program them into your S2000 and add your final accessory for the best and most comfortable listening possible. A pair of Tecsun hifi communication headphones. and add your final accessory for the best listening possible. Some Tecsun hifi communication headphones.Bundle and save, deal price $660, normally $710 when all 3 purchased together in one checkout.For those serious about Ham Radio

The New Ham

This pack contains everything you need to listen to shortwave radio.

Xiegu G90 + Antenna +Headphones Only $1100, normally $1167The star of this pack is the Xiegu G90, truly a world class radio transceiver. The XIEGU G90 HF Transceiver is a High-Performance Portable Amateur Radio Transceiver. This powerful portable HF multimode transceiver covers 0.5-30MHz (10-160 metres on TX) with 20 watts of RF output. The XIEGU G90 HF Transceiver utilises a software-defined (SDR) 24-bit architecture to provide superb transmit and receive performance.Use the supplied separation cable to mount the control head where you can see it and the transceiver out of the way, to maximise operating room in your radio shack.Improve your reception with The TRA HF Portable Dipole antenna is rated at 100 Watts PEP power handling capability. Featuring 10 metres of Rg58 cable for easy connection to most transceivers.Note: Best results will be obtained when the antenna is at least 4 metres above ground. In theory, the antenna should be at least a quarter wavelength above the ground for best results, so the height will correspond to the operating band. Generally, higher is better.Your final accessory in this pack is for the best and most comfortable listening possible in your radio shack. A pair of Tecsun hifi communication headphones. With memory foam ear covers and an extra-long cord to reach your radios.Bundle price $1100, normally $1167

OFFER VALID TILL MIDNIGHT DEC 24.

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Michael

National Radio of the Amazon has decided to use DRM shortwave transmissions to serve indigenous populations in the northern Amazon region.

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DRM radio over the AMAZON

The People of the Amazon will soon be covered by DRM shortwave as National Radio of the Amazon orders a 100 kW BT transmitter

The vast area of the Amazon known as the Amazon Rainforest is the largest tropical ecosystem in the world, with rainforest covering roughly 40% of South America, stretching over ten countries in South America, and is almost as large as the United States! The rainforest is home to both large and small communities in very remote areas, some harvesting crops along the rivers and others in more secluded villages deep within the forests.

As you can imagine communication to these areas can be difficult so it was no surprise when at the end of last year, testing of DRM technology began using a transmitter of 2.5 kW with the digital power of just 1 kW.

Despite this low power of the transmitter supplied by BT Transmitters, recordings were reported from different regions of the country and even from North America and Europe.

As a result of these tests, the National Radio of the Amazon decided to use DRM shortwave transmissions to serve indigenous populations in the northern Amazon region.

At the sizable cost of $650,000 USD. Public broadcaster Empresa Brasil de Comunicação (EBC) ordered a 100 kW BT transmitter to broadcast in DRM at 11,780 kHz in the 25-meter band, an existing shortwave channel used by Rádio Nacional da Amazônia.

This is considered to be the first domestic DRM installation on a locally produced transmitter in Latin America.

AMAZON radio map

Information from The Digital Radio Mondiale Consortium.

Image via https://amazonaid.org/ 

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