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Longitude because you needed a chronometer and it hadn't been invented yet.
If you used a sextant and a marine chronometer you could determine your position and plot this on a map using latitude and longitude. If you did this regularly you would be able to plot your course.
For latitude the sextant, and later for longitude, the marine chronometer.
A backstaff is a an early navigational instrument for measuring the altitude of the sun and hence calculating latitude.
what improved the ability to determine latitude and longitude based on the stars
longitude is easy latitude does not give a hint in the word
latitude in Greek means "wide" while longitude means "long"
To determine longitude and latitude yourself, you can use a GPS device or a map with grid lines. Longitude is measured in degrees east or west of the Prime Meridian, while latitude is measured in degrees north or south of the Equator. By using a GPS device or a map, you can pinpoint your location and determine the specific coordinates of longitude and latitude.
All 50 states in the United States use some form of latitude and longitude lines to determine their borders.
To determine your latitude and longitude, you can use a GPS device, a smartphone with GPS capabilities, or online mapping tools like Google Maps. These tools use satellites to pinpoint your location on Earth's surface, providing you with your exact latitude and longitude coordinates.
The unit of measure used to determine absolute location is degrees and minutes of latitude and longitude. The Earth has 360 degrees at the equator.
Latitude and Longitude