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 MIL-HDBK-419A
Table 8-7 (Continued)
Calculated Values of Shielding Effectiveness
SE=A+R+C
Thickness
A
R
Source*
C
(mils)
(dB)
(Hz)
(dB)
(dB)
(dB)
Aluminum
0.00
88.0
10
1M
62.0
26.0
0.00
10
1M
176.0
150.0
26.0
10
1M
10
15 M
79.0
0.00
179.0
100.0
0.00
10
15 M
115.0
100.0
215.0
10
15 M
100 M
10
82.0
0.00
342.0
260.0
10
100 M
0.00
350.0
90.0
260.0
10
100 M
*L = near field of loop or magnetic dipole, r = 30 cm from shield.
D = near field of electric dipole, r = 30 cm from shield.
P = plane wave.
8-25
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