Structural Return Loss = 20 * log10 * (Voltage Reflected / Voltage Reference)


Vreflected / Vreference		Structrual Return Loss (dB)	SWR

1.12				1				17.40
1.26				2				8.72
1.413				3				5.85
1.585				4				4.42
1.778				5				3.57
1.995				6				3.00
2.239				7				2.62
2.512				8				2.32
2.818				9				2.10
3.162				10				1.92
3.584				11				1.78
3.981				12				1.67
4.467				13				1.58
5.012				14				1.50
5.623				15				1.43
6.310				16				1.38
7.079				17				1.33
7.943				18				1.29
8.931				19				1.25
10.00				20				1.22
11.22				21				1.20
12.59				22				1.17
14.13				23				1.15
15.85				24				1.13
17.78				25				1.12
19.95				26				1.11
22.39				27				1.09
25.12				28				1.08
28.18				29				1.07
31.62				30				1.06
35.48				31				1.058
39.81				32				1.051
44.67				33				1.046
50.12				34				1.041
56.23				35				1.036
63.10				36				1.032
70.79				37				1.029
79.43				38				1.026