SV1TEST
From HFUnderground
The mysterious SV1TEST High Frequency Beacon, presumably located in a suburb of Athens, Greece, now transmits on 6815.3 kHz and 3810.0 kHz with simulkeying in slow morse code.
Frequency stability on 6815.3 kHz is poor, with dots and dashes sent on two different frequencies, about 80 Hz apart.
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