Usuario:PipesGouveia617

z code review (like Q Code and X Code) z code scam may be a z code set of codes employed in CW, TTY and RTTY radio communication. Actually, there are totally different sets of zcode review: one originally developed by Cable & Wireless Ltd., zcode for commercial communications in the early days of wire and radio z-code communications, another one independently developed by NATO forces later for military wants and use. The NATO Z Code continues to be in use these days, and is published in the unclassified document ACP-131. There are alternative set of codes internally used by USSR's military and other operating agencies. The previous C&W Z Codes are not widely used these days.