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www.southgatearc.org
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Radio Propagation – The Key to the Use of Radio Speaker:
Prof. Les Barclay G3HTF OBE. (Consultant) Synopsis: The characteristics of the propagation of radio waves are affected by the ground and by the presence of the atmosphere and ionosphere. These effects vary with frequency and this has led to the differing uses for radio systems across the radio frequency spectrum. This lecture will discuss the development of the use of radio and illustrate the way in which propagation effects may, on the one hand, constrain the uses of the spectrum and, on the other, be exploited for specific kinds of application. A map can be seen at: Or you can use Streetmap UK: For further information contact events.essex@iee.org.uk The talk is open to all. Sign in as "Visitor" if not an IEE Member. The tea and sandwiches/cakes are served at 6 pm and the talk starts at 6.30 pm.
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