MF propagation: Polarisation coupling losses with horizontal transmitting aerials
Automatic equalisers are considered, in relation to their suitability for inclusion in the existing national television network. Both time-domain and frequency-domain equalisers are discussed and it is concluded that, whilst the great majority of links should continue to be equalised individually using fixed, passive equalisers, improved average overall performance would most probably result if automatic frequency-domain equalisers were added at suitable points in the network in order to correct both the residual distortions of the links and their variations with time.
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