Sentence examples for determining latitude from inspiring English sources

Godfrey soon undertook the development of an improved quadrant for determining latitude.

Methods for determining latitude and longitude and measuring elevations and distances were refined and were of great value to navigators and explorers and their sponsors.

In determining latitude — how far north or south we are — the North Star provides the static frame against which change can be measured.

The location of the northern polestar has made it a convenient object for navigators to use in determining latitude and north-south direction in the Northern Hemisphere.

Reliable sea charts were not introduced until the advent of the magnetic compass and of methods for determining latitude and longitude.

In 1669 Jean Picard, a French astronomer, first used a telescope in determining latitude and in measuring angles in triangulation that consisted of 13 triangles and extended from Paris 1.2° northward.

It records light intensity, using the timing of sunrise, sunset and length of twilight to determine latitude and longitude.

Portuguese seamen determined latitude by observing the elevation angle of the polestar that is, the angle between its direction and the horizontal.

Astrolabes were used to tell the time, and could also determine latitude with reference to the position of the stars; Muslim sailors often used them, in addition, to calculate prayer times and find the direction of Mecca.

The device records the time of dusk and dawn every day, and from that calculates day length, which can be used to determine latitude (the length of a given day varying with north-south location).

In each plot the following parameters were determined; latitude, longitude and number of agave plants that were classified into the following stages: juvenile; pre-reproductive; reproductive; and mature.