Tropospheric scatter, often referred to as tropospheric scattering or tropospheric propagation, is a method of radio wave propagation in which signals are scattered or refracted by irregularities in the Earth's atmosphere, specifically in the troposphere, which is the lowest layer of the Earth's atmosphere. This phenomenon allows radio signals to travel beyond the line of sight, enabling communication over longer distances than would otherwise be possible with direct line-of-sight methods.
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