Knowing this and combining it with sextant readings lets you easily calculate your exact position. But you need a very accurate clock to make the first measurement. This guy is our guy.

Here are a few examples that show how a sextant can be used to find location ... is just a fancy name meaning "extremely accurate clock"), you can find your longitude. Let's say that the ...

There's nothing mystical or complicated about a sextant. All it is is a device that measures the angle between two objects. The sextant makes use of two mirrors. With this sextant, one of the ...