What does a topographic map show. Draw polygon to select lidar products for area of interest. Although this does create an interesting map if values in the front of the chart are higher than those behind them the values in the back can be hard to see. Which direction does the antenna have the clearest run at best view of the transmitter. Examine the topographic map on the left carefully.
These maps allow you to quickly locate your position estimate your travel time and problem solve if you get off course. The excel 3 d surface charts are similar to the contour charts except they show the image in a three dimensional rendering of the data. As has been stated on a few pages of this site in the uhf game line of sight is almost everything ie. A topographic map is similar to a physical map in that it shows different physical landscape features.
Historically the development of highly accurate detailed topographic maps has largely been driven by military requirements. Unlike physical maps this type of map uses contour lines instead of colors to show changes in the landscape. The ability to accurately interpret topographic maps is a foundational skill for successful navigation and route finding. Reading topographic maps a free on line book on how to read topographic maps and use a compass.
The purpose of a map is to permit one to visualize an area of the earths surface with pertinent features properly positioned. Each line is a different elevation but some of these lines have numbers on them. The topographic maps on topozone were created by the united states geological survey usgs and have evolved for more than a century.