HFU HF Underground
Loggings => Utility => Topic started by: Kris on November 05, 2020, 1937 UTC
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- around 1914 on 5827 SIO 555 lasted W Ru USB counts 1,2,3,4 then a digital signal with a width of 3 kHz is broadcast. Consisting of 13 carriers, exactly the twelfth is at the base connected to the thirteenth.
After two short cycles, the digital signal is emitted so long without interruption.