Navigation Map

Methods

• Before constructing the navigation map we first had to determine our pace count. This is the number of steps we took with our right foot in the given distance of 100 meters. We will be using our pace count later on in the navigation lab.

Map Construction

• I did not want my maps to be overwhelming, I had this in mind when I was constructing them. I added a terrain map as the base for both maps so we as a group know what terrain we will be navigating through. Next I added a grid to each map, they are slightly different from each other.

     GCS Grid Map

•  The GCS Grid Map uses the geographic coordinate system, more specifically GCS North American 1983 HARN (High Accuracy Reference Network), using decimal degrees as its measurement of distance. The spacing of the grid is .001 decimal degrees. This created a grid that is useful for navigation but is not overwhelming the map.

      UTM Grid Map

• The UTM Grid Map uses the NAD 1983 UTM Zone 15N as its coordinate system. This stands for North American Datum 1983(NAD 1983),  Universal Transverse Mercator (UTM), and Zone 15N refers to zone 15 in the northern hemisphere (over western Wisconsin). The spacing of this grid is 50 meters, again creating a nice grid for navigation but not too overwhelming to the map. The UTM Grid Map is projected as Transverse Mercator. This is a cylindrical projection with the central meridian placed in a particular region (the center of the region of interest) that minimizes distortion of all properties (size, distance, area, shape) in that region. 

 Figure 1: Navigation Map in Geographic Coordinate System.

 Figure 2: Navigation Map in NAD 1983 UTM Zone 15N Coordinate System.