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80 - ATPL - What are the propagation characteristics of VHF:

Question 80 - Communications - ATPL - Airline Transport Pilot license

Practically straight-line similar to light waves
Similar to short waves with practically no atmospheric disturbance
The waves travel along the surface of the earth and penetrate into valleys in a way that topographical obstacles have no influence
The waves are reflected at the ionosphere at the height of about 100 km and reach the earth surface in the form of sky-waves

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