An air-filled X-band rectangular waveguide has dimensions a = 2.286 cm and b = 1.016 cm. If
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An air-filled X-band rectangular waveguide has dimensions a = 2.286 cm and b = 1.016 cm. If the waveguide has copper walls (ε = εo, μ = μo,σ = 5.8 x 107 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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