10
15
20
0.5
1.0
1
.5
2.0
2.5
3.0
4.0
5.0
25
30
40
50
100
150
200
300
400
500
.01
.02
.03
.04
.05
.06
.07
.08
.09
.1
.2
.3
.4
.5
.6
.7
.8
.9
1.0
3.0
2.5
2.0
1.6
1.5
1.4
1.3
1.25
1.20
1.16
1.14
1.12
1.10
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.8
FOR
W
A
R
D
P
OW
ER
-
W
AT
TS
REFLECTEDP
OWER-
W A
TTS
10
4.0
VS
WR
Figure 12
VSWR Conversion Nomograph
Bird Model 43 Wattmeter
28
