Reference
Definitions, quick answers and the acronyms nobody explains on the spec sheet.
glossary
Marine navigation glossary
Every acronym on the spec sheet, defined once and cross-linked to the guide that explains the engineering behind it.
Read the guideFAQ
Common questions, answered
The questions that come up most often, answered directly, each linked to the guide that covers it in depth.
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About this site
An independent reference on marine navigation systems for Australian waters. What it is, who it is for, and what it deliberately does not claim to be.
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Editorial standards
The method behind the guides: how facts are sourced, how regulation is handled, how brand scores are derived, and what this site deliberately does not assert.
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Sources and references
Every authority this site relies on, what each one is authoritative for, and which of our guides depends on it.
Read the guideOther topics
The library is organised so each shelf answers a different kind of question.