As the new watch captain emerges on deck, his counterpart begins his hand-off with a report on the competition, “We’ve dropped them back 5 degrees in the last hour, plus the range has doubled, so ...

The needle points to magnetic north, not true north, and they’re hundreds of miles apart. Since topographic maps are oriented to true north, you need to resolve this difference, called declination.

Add Task & Purpose (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our ...