Garmin GDU 37X Installation Manual

Also see for GDU 37X: Installation manual Pilot's guide Installation manual

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Garmin GDU 37X Installation Manual Manual pdf 49 page image

GDU 37X Installation Manual Page 3-27190-01054-01 Revision CMinimum Distance from Metal Tube Structure RequirementsFigure 3-31 shows minimum distance from metal tube structure requirements for internal, non-structuralmounting of the antenna. Table 3-7 presents minimum distance requirements between the tube structureand the antenna for cases where the antenna sits underneath the fabric in a metal-tube structure aircraft.Figure 3-31 illustrates the tube diameter (d) and minimum distance (l) references in the table.Figure 3-31 Example Teardrop Footprint Antenna Mounting Under Fabric Skin.Table 3-7 Minimum Distance Required Between Tube Structure and AntennaIllustrated Case Tube Diameterd (in)MinimumDistance l (in)Top of antenna at or above the center of the tubestructure (Figure 3-31, top)0.625 3.60.75 4.31.00 5.71.25 7.2Top of antenna between the center and bottomof the tube structure (Figure 3-31, bottom)0.625 7.20.75 8.61.00 11.51.25 14.3