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← TechnologyWhich consequence results when atmospheric ducting conditions establish a tropospheric waveguide for microwave antennas?
A)Substantial decrease in receiver sensitivity
B)Increased transmission range abnormally✓
C)Signal fading due to antenna blooming
D)Beamwidth contraction; energy increase
💡 Explanation
Increased transmission range occurs because atmospheric ducting traps radio waves, supporting propagation over extended distances via waveguiding. This is tropospheric ducting, therefore signals travel further rather than experiencing fading or decreased sensitivity under ordinary propagation conditions.
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