In 1924 the construction of Grimeton Radio Station in Sweden was completed and the two transmitters, invented by Ernst F.W. Alexanderson was put into commercial operation. The radio station call sign was SAQ.

SAQ is the only remaining pre-electronic radio transmitter that has been preserved and is still functional, event though only one of the original two transmitters remain.

On October 24th 2025, SAQ is scheduled to air a message to the World, promoting Peace, Unity, and Global Partnerships.

The unique Alexanderson alternator is scheduled for one transmission over the antenna on VLF 17.2 kHz CW.

The Grimeton Radio Station welcomes all visitors to attend the transmission.
To attend one of the transmissions in the transmitter hall, a ticket will be required.
Please see grimeton.org for complete visitor’s information.

SAQ transmission schedule:

15:20 CEST (13:20 UTC) Live YouTube broadcast begins.

15:30 CEST (13:30 UTC) Start-up of the Alternator.

16:00 CEST (14:00 UTC) Transmission of a message.

Live Video from World Heritage Grimeton Radio Station

Both transmission events can be seen live on our YouTube Channel.

Test Transmissions

There may be some test transmissions, preliminary on October 23rd between 13:00 – 16:00 CEST.
During the tests, SAQ will be on air shorter periods of time, when we will be carrying out some tests and measurements.
Your comments are welcome to info@alexander.n.se.

QSL Reports to SAQ

QSL reports to SAQ are most welcome and appreciated!
For guaranteed E-QSL from us, please report using our ONLINE FORM.
Our confirmation of reports by Email / mail / bureau is not guaranteed.
Please only send ONE report covering both transmissions.
The online form will be open from October 24th until November 21st.

Amateur Radio Station SK6SAQ

The Amateur Radio Station with the call “SK6SAQ” will be QRV during the day 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 info@alexander.n.se
– or via: SM bureau
– or direct by postal mail (link to address here)

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

Not a member yet ? Then it’s time to join the Alexander team!

We welcome you as a member of the Alexander 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 shop and café (not ice cream), and free admission to Alexander’s summer 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 has access to our on-line library with lots of unique historical documents about SAQ and the Alexanderson alternator. Alexander members also have free admission to the Radio Museum in Gothenburg. Membership costs SEK 125 / year.

Categorías:Broadcasting

Etiquetas:CW, Grimeton, SAQ, Suecia