What are current antenna installation anomalies?
Now that digital television is under way in Australia, we are gaining experience in making digital terrestrial television work in the installed antenna base. Experienced television antenna installers and broadcasters are able to identify some installation anomalies already present in domestic and commercial premises. These anomalies usually involve the use of installation solutions in inappropriate ways. The identified anomalies include • The use of poor quality cabling, connectors and associated components • The inappropriate use of filters – stopping distribution of additional channels while attempting to reduce interference to analog • Failing to reduce Band I (Ch 2) and other channel levels causing overloading in amplifiers and TV tuners • Failing to reduce FM (Band II) signals causing interference to analog channels in Band III • The use of distribution amplifiers in lieu of masthead amplifiers • The use of masthead amplifiers in lieu of distribution amplifiers • Overloading of am
