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Communication and Espionage on Shortwave Frequencies

The Shortwave Guild

The Shortwave Guild shares and demonstrates the development of radio communication from 1900 to 1960. This period saw significant advancements, using both telegraphy and voice as communication methods. These technologies were utilized across various sectors of society, such as maritime navigation, defense, law enforcement, the postal service (telegraphy for telegrams), the railway network, the resistance movement during World War II, the Cold War, and by amateur radio enthusiasts in Denmark and worldwide.

In our radio room, we operate an active amateur radio station broadcasting live to the world using our call sign OZ5NYV. During the first weekend of May, coinciding with Denmark’s occupation and liberation, we use the historic call sign 5P2WW (a call sign from the past). Both call signs are specially designated for the Nyvang Living History Center. Alongside the active radio station, we also explain how radio communication works.

The Shortwave Guild participates in the annual reenactment of the Danish resistance movement around May 5th, when Nyvang is "occupied" and later "liberated." As radio communication played a crucial role in maintaining contact between the Danish resistance and England, we showcase the methods and radios they used. We even have a replica of the most commonly used radio, as many of the originals no longer exist. A group of amateur radio enthusiasts built a few replicas based on wartime schematics, and we are fortunate to have one of these in our possession.

In addition to the radio demonstrations, we offer espionage-themed challenges for children—and adults, if they dare. After all, it takes courage to gather intelligence from the Germans!

We have received considerable assistance from the Experimenterende Danske Radioamatører (EDR – the Danish Amateur Radio Association) and several private contributors who helped us acquire period-specific radios and other equipment from Nyvang's historical era. Without their help, the guild would not exist.

Communication and Espionage on Shortwave Frequencies

The Shortwave Guild

The Shortwave Guild shares and demonstrates the development of radio communication from 1900 to 1960. This period saw significant advancements, using both telegraphy and voice as communication methods. These technologies were utilized across various sectors of society, such as maritime navigation, defense, law enforcement, the postal service (telegraphy for telegrams), the railway network, the resistance movement during World War II, the Cold War, and by amateur radio enthusiasts in Denmark and worldwide.

In our radio room, we operate an active amateur radio station broadcasting live to the world using our call sign OZ5NYV. During the first weekend of May, coinciding with Denmark’s occupation and liberation, we use the historic call sign 5P2WW (a call sign from the past). Both call signs are specially designated for the Nyvang Living History Center. Alongside the active radio station, we also explain how radio communication works.

The Shortwave Guild participates in the annual reenactment of the Danish resistance movement around May 5th, when Nyvang is "occupied" and later "liberated." As radio communication played a crucial role in maintaining contact between the Danish resistance and England, we showcase the methods and radios they used. We even have a replica of the most commonly used radio, as many of the originals no longer exist. A group of amateur radio enthusiasts built a few replicas based on wartime schematics, and we are fortunate to have one of these in our possession.

In addition to the radio demonstrations, we offer espionage-themed challenges for children—and adults, if they dare. After all, it takes courage to gather intelligence from the Germans!

We have received considerable assistance from the Experimenterende Danske Radioamatører (EDR – the Danish Amateur Radio Association) and several private contributors who helped us acquire period-specific radios and other equipment from Nyvang's historical era. Without their help, the guild would not exist.

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Opening Hours 2026

Early Season: April 23th – June 28th
Open Tuesday, Wednesday, Thursday, Saturday, and Sunday from 10:00 AM to 4:00 PM.
Closed on Monday and Friday.

High Season: June 29th – August 2nd
Open Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday from 10:00 AM to 4:00 PM.
Closed on Friday.

Late Season: August 2rd – October 18th
Open Tuesday, Wednesday, Thursday, Saturday, and Sunday from 10:00 AM to 4:00 PM.
Closed on Monday and Friday.

Autumn Break: October 10th – 18th
Open every day from 10:00 AM to 4:00 PM.

After 18 October: Closed every day until Christmas at Nyvang.

Christmas at Nyvang:
November 22nd – 23rd, 10:00 AM to 4:00 PM
November 26th – 27th, 10:00 AM to 4:00 PM
November 29th – 30th, 10:00 AM to 4:00 PM

You can view the season's prices and buy admission tickets here.

You can find your way by clicking on our address:

Oplevelsescenter Nyvang
Nyvangs Allé 4
4300 Holbæk

Oplevelsescenter Nyvang is located outside Holbæk, close to the highway.

We have a large parking lot right by the entrance, so there is always space for your car.

We also offer parking for buses as well as handicap parking.

Accessibility

We have several accessible parking spaces close to the Welcome Center.

It is easy to get around the area with a wheelchair or walker, and many of the buildings are accessible. However, there are some places where creating a wheelchair-friendly entrance was not possible. Please feel free to contact the office for any questions or guidance.

We have a limited number of wheelchairs available for loan with prior reservation.

It is also possible to take a tour around Nyvang with our golf cart. For more information, contact our administration at +45 5943 4030 or nyvang@andelslandsbyen.dk.

You can enjoy delicious Danish dishes at our eatery, Traktørsted Madam Blaa.

You are also very welcome to bring your own food and enjoy it at one of the rest areas in the grounds.

If it rains and there are no other activities taking place in the community hall, it is also possible to eat your packed lunch there. (New activities are constantly being added, so it is not possible to reserve a spot in the community hall in advance for eating packed lunches.)

In rainy weather, smaller groups can find shelter for eating their packed lunches in the houses at the Activity Area.

You are very welcome to bring your dog to the area, but it must be kept on a leash.

Dogs are not allowed inside our buildings (service dogs are exempt).

Here you can view the Danish Veterinary and Food Administration's smiley reports for our shops and eateries:

Be aware the smiley reports are only available in Danish.

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