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4388607
RADIO WAVES
Description
Mind Map on RADIO WAVES, created by Jack Willepotte on 28/01/2016.
Mind Map by
Jack Willepotte
, updated more than 1 year ago
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Created by
Jack Willepotte
about 9 years ago
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Resource summary
RADIO WAVES
Long Radio waves
They diffract and bend allowing them to travel extremely long distances
They curve around the earth
Also diffract around hills, tunnels, houses and all sorts
This bending and diffraction means signals can be recieved even it the reciever is not in direct sight of the transmitter.
Medium signals
These can also diffract and reflect off the ionosphere however only in certain conditions and at different times of day.
Short waves
These cannot bend nor reflect or diffract.
unless you are in direct sight of the transmitter signals canot be recieved.
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