Codan Radio Radio Repeater Systems Training Guide - Manual (Page 52)

TRAINING GUIDE | RADIO REPEATER SYSTEM
Appendix C: Calculating Path Loss Page 44
Figure C-1: Path Loss Nomogram
160
150
140
130
120
110
100
90
80
70
DISTANCE BETWEEN TWO SITES (MILES)
Miles = km / 1.6093
FREQUENCY (MHz)
PATH LOSS (dB)
30 000
20 000
10 000
7 000
5 000
3 000
2 000
1 000
700
500
300
200
100
70
50
30
20
10
500
300
200
100
50
30
20
10
5
3
2
1
0.7
0.5
0.3
0.2
0.1