# Navigation

World Magnetic Model (Included Plugin)
A plugin to display the magnetic variation, based on the World Magnetic Model.

Celestial Navigation (view online)
Plugin to record Sextant Sights and show Circles of Position to obtain a Fix

Route Great Circle (view online)
A short introduction to to the Great Circle part of the Route Plugin. Route Plotting, Great Circle routes, Limited Circle Routes and Rhumb lines.

DR Dead Reckoning (view online)
Add DR positions to a GPX file exported from OpenCPN

sQuiddio (view online)
Global user-sourced and user-maintained repository of sailing destinations (marinas, anchorages, yacht clubs, docks, fuel stations etc.) available as waypoints in OpenCPN through a plugin.

Google Earth**
Links a Google Earth satellite image to the area of chart being explored.

GE2KAP (view online)
(a companion piece of software, not a plugin)
Use GE2Kap to create Kap files which can be overlaid on Charts

ODraw 1.4 (Ocpn Draw) (view online)
Drawing tools, Boundaries, EBL & VRM, link to Watchdog for keep in & out alarms.

oTCurrent (view online)
Display tidal current arrows for times other than the present