Determine Position. Test 1

When taking a compass error by amplitude in the higher latitudes when is the best time to take the bearing?

When the lower limb just touches the horizon
When the center of the sun is on the horizon
Calculate the time of the sunset and take the bearing then
When the sun is a diameter above the horizon

In celestial navigation the angle measured westward from the first point of aries to the hour circle of the body along the celestial equator is known as:

Sidereal hour angle
Local sidereal time
Greenwich hour angle
Azimuth angle

What is the advantages of a GPS-satellite system compared to other navigational aids?

The GPS system gives information about position, speed and time continuously world wide.
The GPS system is based on hyperbola navigation.
The GPS system has built in a group of six radio-beacons called a Decca-chain.
The GPS system gives information about weather- and waveconditions in the area.

Review Answers

Determine Position. Test 1

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