SAQ , Sweden

SAQ is a 17.2 kHz CW alternator TX at Grimeton in Sweden. It is the oldest alternator TX in the world at about 100 years old. They have test transmissions with the next one scheduled for Christmas Eve. It is a good test of VLF receive setups. It is usually widely heard in Europe, and sometimes further.

See https://alexander.n.se/en/the-radio-station-saq-grimeton/saq-transmissions/ .