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Category:Operating signals

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This is an old revision of this page, as edited by PetesGuide (talk | contribs) at 22:56, 29 November 2017 (fixed {{Cat}} tag to correct article.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
The main article for this category is Operating signals.

Operating signals are distinct from Brevity code, and are designed exclusively to exchange information about telegraph, radiotelegraph, or radiotelephony operating conditions and issues.

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