RADWIN2000CPlusUserManual Release3.5.70 18‐8
RunningtheLinkBudgetCalculator Chapter18
TheFademarginistheminimumrequiredforline‐of‐sight(LOS)conditions.For
degradedlinkconditions,alargerFademarginshouldbeused.Again,itisnotavail‐
ablewhenusingAdaptive Rate.
TheEIRPiscalculatedindBmandWatts.
8.TheRateitemmaybeusedforcalculatingtheLinkBudgetunderbestandworst
scenarios.ItisalwayssettomaximumunderAdaptiveRate.
9.Iftherequiredrangebetweenthetwolinksitesisknown,youmayenteritdirectly.
Alternatively,youmayenterthelatitudeandlongitudeofeachsiteinthelink,in
whichcasethedistancebetweenthemwillbecalculatedanddisplayed.
Figure18‐5:Calculationofdistancefromsitecoordinates
Ifforexample,weenter:
SiteA:41.1°Nlat75.2°WLong
SiteB:40.8°Nlat75.0°WLong