P Kemble C Eng,MIEE, BScPrincipal Engineer, IBA
Revised bySalim Sidat MBA,DBA, BSc (Hons), CEng,MIEECustomer Systems ManagermmO2, Ltd
6.3 Transposers
In an ideal situation, all potential viewers would be provided with television programmes by means of a central high power transmitter. This would be modulated with audio and video signals from the studio, connected by means of a landline. Such an arrangement would represent the most economical means of distribution in terms of cost per viewer.
Unfortunately, such a simple situation is possible only at a limited number of locations. Intervening hills, buildings and even trees attenuate direct reception of a high power transmitter, particularly at UHF, causing a shadow in its coverage. Substantial ...
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