2026-D048: Atmospheric Refractive Index Gradients and Long-Range Radio Propagation Anomalies
2026-D048:大气折射率梯度与远距离无线电传播异常
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Radio waves bend slightly when traversing air layers with differing densities, a phenomenon governed by Snell’s law applied to refractive index gradients.
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Under temperature inversions—especially over oceans or cold landmasses—refractive index can increase with height, causing ducting effects.
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