Si une onde électromagnétique quitte une antenne polarisée verticalement et atteint le site de réception par onde de sol, quelle sera sa polarisation finale?

Why

A ground wave travels along the Earth's surface, and the ground acts like a mirror that preserves the original orientation of the signal. The full explanation — and one for every question — is in Pro.

Practise this section

Feedlines and antenna systems is section B-006 of the Basic exam: Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.

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