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[null,"G8KHW Line of Sight Calculator – for working out how far the horizon is from the balloon payload."]
[]
[null,"Enter Hight in green cell – results in yellow cells – constants in pink cells"]
[]
[]
[]
[{"$nulls":6},"r - Radius of earth (km)",6378.1]
[{"$nulls":6},"h - height (km)",35,"<-input"]
[{"$nulls":6},"l - slant height (km)",669.097900161105]
[{"$nulls":6},"a angle (radians)",0.10452320747181666,null,"a angle (degrees)",5.988738649305366,"Angle that horizon is below horizontal"]
[{"$nulls":6},"x - ground distance",666.6594695759939]
[]
[{"$nulls":6},"Solution for a given angle above the horizontal at the receiver"]
[]
[{"$nulls":6},"e - elevation angle (degrees)",10,null,"elevation (radians)",0.17453292519943295]
[{"$nulls":6},"s - slant length (km)",186.42090458842023]
[{"$nulls":6},"x – ground distance",182.61174996700316]