HFU HF Underground
Loggings => Spy Numbers => Topic started by: vhavrilko on March 29, 2014, 1412 UTC
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YL w/ niner, eight, seven, oblique, one, zero until 1403 then into 5-digit number groups until "out" @ 1405; via University of Twente.
https://www.youtube.com/watch?v=jgM4EW8nEu4