FACTOID # 8: North Korea spends the most of its GDP on its military.
 
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Encyclopedia > Z code

For the virtual machine language introduced by Infocom, see the article under Z-machine.


Z Code (like Q Code and X Code) is a set of codes used in CW, TTY and RTTY communication. Developed after Q Code by Cable & Wireless Ltd. for commercial communications it was later used and modified by NATO forces, the United States Coast Guard and the USSR's military. Z Code is not widely used today.

Code Meaning
Some Example Z Codes
ZAL Alter your wavelength
ZAP Acknowledge, please
ZBK Are you receiving my traffic clear?
ZBK1 I am receiving your traffic clear
ZBK2 I am receiving your traffic garbled
ZSF Send faster

See also: Common Morse code abbreviations in the Morse code article


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