Alexanderson alternator VLF station

09:02 Fernando Luiz de Souza 0 Comments

The annual transmission of the Alexanderson alternator on VLF 17.2 kHz with the call SAQ will take place Sunday, July 3, 2016 at 09:00 UT (tuning up from 08:30) and be repeated at 12:00 UT (tune up 11:30)

In addition the Amateur Radio Station with the call SK6SAQ will be active on the following frequencies:
– 7.035 kHz CW or
– 14.035 kHz CW or
– 21.035 kHz CW or
– 3.755 kHz SSB

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

The Varberg Radio Station at Grimeton in southern Sweden (built 1922–24) uses an Alexanderson Alternator and was added to the UNESCO World Heritage list on July 2, 2004.

It is an exceptionally well-preserved monument to early wireless transatlantic communication consisting of the transmitter equipment, including the aerial system of six 127-m high steel towers. Although no longer in regular use, the equipment has been maintained in operating condition.

The 109.9 hectre site comprises buildings housing the original Alexanderson transmitter, including the towers with their antennae, short-wave transmitters with their antennas, and a residential area with staff housing.

The architect Carl Åkerblad designed the main buildings in the neoclassical style and the structural engineer Henrik Kreüger was responsible for the antenna towers, the tallest built structures in Sweden at that time. The site is an outstanding example of the development of telecommuni-cations and is the only surviving example of a major transmitting station based on pre-electronic technology.

QSL-reports to SAQ and SK6SAQ are kindly received via:
– E-mail to:
– or via: SM bureau
– or direct by mail to:
Alexander – Grimeton Veteranradios Vaenner,
Grimeton 72

The Alexander Association

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