Gps Elevation Maps
Which of the following is essential for GPS to function?
1. highly accurate clocks
2. locations on land instead of ocean
3. a small radar unit
4. a GIS unit in a reciever
5. a nearby base station on Earths surface
A(n) ________ is a line joining points of equal elevation.
1. isohyet
2. contour line
3. isotherm
4. isogonic lines
5. isomag
To construct an isoline on a map it is necessary to
1. color it purple
2. interpolate between points of known value
3.note the magnetic declination
4. make the map both equivalent and conformal
5. first draw the line on a globe.
Thank you very much
1, 2, and purple. Definitely purple.
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