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TWINPLEX
Additional categories Digital  + , HF  + , Inactive  +
Bandwidth   + ,   + ,   + ,   + ,   +
Bandwidth max   +
Bandwidth min   +
Frequencies   + ,   +
Frequency max   +
Frequency min   +
Location Worldwide  +
Mode USB  +
Modulation MFSK  +
Picture Danish TWINPLEX.jpg  +
Signal description TWINPLEX, also known as F7B4 and TWINPLEX-SITOR, was a diplex 4-FSK ARQ mode developed by Mackay Radio and Telegraph Company, based in New York City, in the early 1950's. TWINPLEX was used by Interpol, the United Nations, and other diplomatic services.  +
Signal file Danish -TWPLEX.mp3  +
Title TWINPLEX  +
Has queryThis property is a special property in this wiki. TWINPLEX + , TWINPLEX + , TWINPLEX + , TWINPLEX +
Categories Signal  + , Digital  + , HF  + , Inactive  +
Modification dateThis property is a special property in this wiki. 24 November 2021 13:25:21  +
Page has default formThis property is a special property in this wiki. Signal  +
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