Hello everybody, How are you? I think you are well. Today I’m going to tell you About zcodesystem. Zcodesystem is a one kind of radio signal in CW, TTY and RTTY . there are many sets of zcodesystem. one originally maintain by Cable and Wireless . For commercial communications in the early days of wire and radio communications, another one independently developed by NATO forces later for military needs and use. The NATO zcodesystem is still in use today, There are other set of codes internally used by Russia’s military and other operating agencies. The old C&W Z Codes are not widely used today. How ever if you have any question about this then I request visit and asked them for Enjoy everybody. Thank you.
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