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VLF transmitter DHO38
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== Transmission == [[File:Marinesender DHO38 Längstwellensender der Marine - Abstimmmittel-Häuser.jpg|thumb|right|The masts and cables]] The signal from DHO38 is an [[Minimum-shift keying|MSK]]-coded signal with 4 x 50 baud on all 4 channels on frequency 23.4 kHz.<ref>{{cite web |last1=Anselmi |first1=Antonio |title=STANAG-5030/MIL-188-140 VLF/LF multichannel broadcast to submarines (2) |url=https://i56578-swl.blogspot.com/2019/03/stanag-5030mil-188-140-vlflf.html |access-date=9 April 2025 |date=2 March 2019}}</ref> All transmissions from DHO38 are encrypted. The messages transmitted via DHO38 are processed at the naval telecommunications center [[Glücksburg]]. They are sent "by cable" from German and NATO offices to the protective structure there and are prepared for transmission by the responsible telecommunications operators.<ref name="bundes" />
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