Ranging Mode (R-Mode)

From International Dictionary of Marine Aids to Navigation
Revision as of 09:40, 17 September 2026 by Minsuids (talk | contribs) (Dictionary clean-up: identifier → urn:mrn:iala:dic:15-2-0008; section 4.4 → 15.2 Terrestrial Positioning and Timing (Chapter 15 Radionavigation Services))
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urn:mrn:iala:dic:15-2-0008

Ranging Mode (R-Mode) is a maritime positioning and timing system that uses radio infrastructure to transmit synchronised radio signals in frequency bands which are allocated to maritime usage.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)