The theme for the 12th edition of the World Radio Day, to be celebrated on February 13th 2023, is “Radio and Peace“.

SAQ is therefore scheduled to be on air, to send out a peace message to the whole world, using the unique 200kW Alexanderson alternator, from 1924, on 17.2 kHz CW.

Program and Transmission Schedule
15:00 CET (14:00 UTC): The transmitter hall at World Heritage Grimeton Radio Station is opened for visitors.Transmission & YouTube Live stream
15:25 CET (14:25 UTC): Live stream on YouTube begins.
15:30 CET (14:30 UTC): Startup and tuning of the Alexanderson Alternator SAQ.
16:00 CET (15:00 UTC): Transmission of a peace message from SAQ.
Test Transmissions
We are planning for a test transmission on Feb 13th, approx. at 13:00 CET (12:00 UTC). SAQ will be on air for 20-30 minutes, when we will be carrying out some tuning tests. Your comments are welcome to
Live Video from World Heritage Grimeton Radio Station
The event can be seen live on our YouTube Channel or by following the link below.
Live Video Stream from World Heritage Grimeton Radio Station.
Scheduled at 15:25 CET (14:25 UTC) on Feb 13th, 2023
QSL Reports to SAQ
QSL reports to SAQ are most welcome and appreciated!

For guaranteed E-QSL from us,
please report using our

We can not guarantee that reports by Email / mail / bureau will be confirmed.
The online form will be open from February 13th 2023 until March 3rd 2023.Amateur Radio Station SK6SAQ
NEW! For World Radio Day communication, SK6SAQ has picked a set of unique frequencies, with a “connection” to SAQ:s transmission frequency 17.2 kHz.
The Amateur Radio Station with the call “SK6SAQ” will be QRV between 10:00 CET (09:00 UTC) and 17:00 CET ( 16:00 UTC) on the following frequencies:
– 3 517.2 kHz CW
– 7 017.2 kHz CW
– 14 017.2 KHz CW
– 3 755 kHz SSB
– 7 140 kHz SSB

QSL-reports to SK6SAQ (NOT SAQ) are kindly received via:
– Email to
– or via: SM bureau
– or direct by postal mail (link to address here)

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 World Radio Day. The radio station is open all day using “self check in“. At 15:00 CET (14:00) UTC, the doors will open for all visitors, with free admission to the transmission.

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 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. Four times per year, you will receive our online magazine “Alternatorn”, exclusively available only to our members.
Members also get access to our on-line library with lots of unique historical documents about SAQ and the Alexanderson alternator.

Membership costs SEK 125 / year.

Apply For Membership Now!
Help us to 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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