ITU R BS 598:1990
ITU R BS 598:1990 Factors Influencing The Limits Of Amplitude-modulation Sound-broadcasting Coverage
Table of Contents
ANNEX11Introduction
2Definitionofcoveragefactor
3CoveragefactorcasafunctionofthedistanceDbetween
co-channeltransmitters
3.1General
3.2ResultsobtainedforaplaneEarthmodel
3.3ResultsobtainedforasphericalEarthmodel
4Coveragefactorasafunctionofchannelspacing
5Conclusions
ANNEX2-PracticalaspectsofMFbroadcastingcoverage
1Day-timecoverage
2Night-timecoverage
2.1Ground-wavecoverageatnight
2.2Sky-wavecoverage
2.3Combinationofground-waveandsky-wavecoverage
3Combinationofday-timeandnight-timecoverage
4Populationcoverage
5Improvementsofcoverage
5.1Synchronizednetworks
5.2Antennadirectivity
5.3Relativemeritsofantennaswithhorizontalandvertical
radiatingelements
5.4Low-powerstations
ANNEX3-Approximateday-timecoverageranges
ANNEX4-Approximatenight-timecoverageranges
ANNEX5-Coverageobtainedfromsynchronizedtransmitters