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 MIL-HDBK-419A
Table 8-6
Correction Term C in dB for Single Metal Sheet (8-2)
Thickness*
(mils)
1 MHz
60 Hz
100 Hz
1 kHz
10 kHz
100 kHz
Copper,
n e a r field of loop
-3.0
-22.2
-24.00
-28.00
-20.0
-10.0
1
+0.1
-21.7
-22.00
-16.00
-7.0
-0.6
5
0.0
-19.2
-19.00
-10.00
-3.0
+0.6
10
20
-15.6
-14.00
-5.00
+0.1
+0.1
30
-13.0
-11.00
-3.00
+0.6
0.0
-9.0
-7.00
-0.60
0.0
50
100
-4.0
-3.00
+0.50
200
-0.8
+0.50
0.00
300
+0.3
+0.50
Copper,
plane waves and near field of electric dipole
-30.00
-20.0
-10.0
-3.0
-42.0
-40.00
1
-16.00
-7.0
-0.6
+0.1
5
-28.0
-25.00
-10.00
-3.0
+0.6
0.0
10
-22.0
-20.00
-5.00
+0.1
+0.1
-16.0
-14.00
20
-13.0
-11.00
30
-3.00
+0.6
0.0
-0.60
+0.1
-9.0
50
-7.00
+0.50
0.0
-4.0
-3.00
100
-0.6
+0.10
200
0.00
+0.1
300
+0.60
Iron,
near field of loop
1
1.0
1.00
-1.60
-1.8
5
0.9
0.90
-0.60
0.0
10
0.8
0.50
+0.06
20
0.4
0.08
0.00
30
0.06
0.06
50
0.00
0.00
Iron,
plane waves and near field of electric dipole
1
-20.00
-17.00
-8.0
-1.3
5
-7.00
-5.00
+0.2
0.0
10
-3.00
-1.30
+0.4
20
+0.20
+0.50
0.0
30
+0.60
+0.40
50
+0.10
0.00
*l mil equals 0.0254 mm
8-21
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