An airfilled Xband rectangular waveguide has dimensions a = 2.286 cm and b = 1.016 cm. If
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An airfilled Xband rectangular waveguide has dimensions a = 2.286 cm and b = 1.016 cm. If the waveguide has copper walls (ε = ε_{o}, μ = μ_{o},σ = 5.8 x 10^{7} S/m), find the attenuation in dB/m due to the wall loss when the dominant mode is propagating at 8.4 GHz.
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