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From the ground up (1900)

MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 103

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These are referred to as the A QUADRANTSand N QUADRANTS of the Range. They are named theNortheast, Southeast, Southwest and Northwest Quad-rants. The Northeast Quadrant is that bounded by theNorth and East Legs. In the U.S. the Quadrant in which True North liesIs always an N Quadrant. If the North… … Fig. 9. Signal Pattern about a Range Station transmittinii As andNs from two Loops. You will note that there are two zones in each Quad-rant where the opposing lines of force of the adjoiningquadrants overlap, and where both signals will beheard. They will not however be heard with equalstrength,…

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Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.

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