ITU R P 1147:2007
ITU R P 1147:2007 Prediction Of Sky-wave Field Strength At Frequencies Between About 150 And 1700 Khz
Table of Contents
1Introduction2Annualmediannight-timefieldstrength
2.1Referencetime
2.2Cymomotiveforce
2.3Seagain
2.4Polarizationcouplingloss
2.5Slantpropagationdistance,p
2.6Lossfactorincorporatingeffectsofionospheric
absorptionandrelatedfactors
2.7Hourlylossfactor
2.8Lossfactorincorporatingeffectofsolaractivity
3Day-to-dayandshort-periodvariationsofnight-time
fieldstrengths
Listofsymbols
1Hourlylossfactor:L[t]
2Sunsetandsunrisetimes
1LFcases
2MFcases