Categories
Operating signals
Topic: Category
From Wikipedia - Reading time: 1 min
Operating signals are distinct from Brevity code, and are designed exclusively to exchange information about telegraph, radiotelegraph, or radiotelephony operating conditions and issues.
Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Category:Operating_signals11 views | ↧ Download as ZWI file
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