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SAQ Grimeton on VLF


Christmas Eve Transmission

Monitor on December 24th, 2022

On Christmas Eve morning, Saturday, December 24th, 2022, SAQ Grimeton is scheduled* to be in the air, to send out a Christmas message to the whole world, using the unique 200kW Alexanderson alternator, from 1924, on 17.2kHz CW.


Program and Transmission Schedule

08:00 CET (07:00 UTC): The Transmitter Hall at World Heritage Grimeton Radio Station will open.


Transmission & YouTube Live stream

08:25 CET (07:25 UTC): Live stream on YouTube begins.

08:30 CET (07:30 UTC): Startup and tuning of the Alexanderson Alternator SAQ.

09:00 CET (08:00 UTC): Transmission of a message from SAQ.


Test Transmissions


SAQ are planning to carry out test transmissions on Dec 23rd, approximately between 13:00 CET (12:00 UTC) and 16:00 CET (15:00 UTC). SAQ will be on air for shorter periods of time during this interval when we will be carrying out some tests and measurements. Your comments are welcome:

[email protected]


Live Video from World Heritage Grimeton Radio Station

The event can be seen live on our YouTube Channel:


Live Video Stream from World Heritage Grimeton Radio Station.

Scheduled at 08:25 CET (07:25 UTC) on Dec 24th, 2022


QSL Reports to SAQ

QSL reports to SAQ are most welcome and appreciated. The online QSL form is here:


SAQ cannot guarantee that reports by e-mail/mail/bureau will be confirmed. The online form (above) will be open from December 24th, 2022, to January 14th, 2023.


Amateur Radio Station SK6SAQ

The Amateur Radio Station with callsign SK6SAQ will be QRV on the following frequencies:

3.535 kHz CW

7.035 kHz CW

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14.035 kHz CW

3.755 kHz SSB

7.140 kHz SSB


QSL-reports to SK6SAQ (NOT SAQ) are kindly received via:

[email protected]

SM Bureau

By post:


Two stations will be on the air most of the time.


Visiting World Heritage Grimeton Radio Station

Visitors are most welcome to World Heritage Grimeton Radio Station on Christmas Eve morning. The doors to the transmitter hall will open at 08:00 CET. The entrance is free of charge and we will offer free coffee with Christmas buns and ginger snaps.


Join the Alexander Team!

We welcome you as a member of the Alexander SAQ Grimeton Friendship Association, to support our non-profit activities in preserving, documenting and bringing to life the unique Alexanderson alternator from 1924. As a member, you will get a 10% discount on World Heritage Grimeton's entry, shop and activities, and free admission to Alexander's evening displays, and to the Alexanderson Day, upon presentation of your membership card. You will receive our online magazine Alternatorn, four times per year, exclusively available only to our members.


Members also get access to our online library with lots of unique historical documents about SAQ and the Alexanderson alternator. Membership costs SEK 125 / year.


Apply For Membership Now:


Help Us Keep SAQ Grimeton Operational.

Just a small donation will be of great help to us, in our work to keep SAQ in operational condition. Your donation will go to the work of maintaining, displaying and running the historical Alexanderson alternator, as well as passing on knowledge to current and future generations.




*The world heritage site Grimeton is a living cultural heritage. All transmissions with the long-wave transmitter SAQ are therefore preliminary and may be cancelled at short notice.




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