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 |
| ZBW # | Change to backup frequency # |
See also: Common Morse code abbreviations in the Morse code article
External links VE3LXV's Z-Code Page
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