Codan Radio Radio Repeater Systems Training Guide User Manual
Page 14
TRAINING GUIDE | RADIO REPEATER SYSTEM
Chapter 1: Repeater System Basics
Page 6
To determine if the site you have chosen will cover the required area, a coverage map should be drawn
for that site. A coverage map shows the areas that the proposed radio system will effectively cover
with line-of–sight paths. Mobile coverage maps are a bit of an “art form” because you have to use your
imagination. In spite of this, they end up being quite accurate, and are much less expensive than a fi eld
survey. In addition, if more than one site is required, prepare profi les of the path between the sites.
A coverage map and path profi le are shown in Figure 1-5. Detailed information about drawing coverage
maps is available in appendix A, and detailed information on path profi les can be found in Appendix B.
Figure 1-5: Coverage Map and Path Profi le
Office
2020'
3000'
4000'
1000'
Obstructions
Hills Not Obstructing.
Signal O.K.
Line-of-sight
Elevation
Plan View
1000'
2000'
3000'
3000'
4000'
2000'
2000'
Line-of-sight (50 km)
Phillips Creek
Office
Obstructed Path
Portable
Poor or no Signal