Density Altitude Reticle

FIG. 1 is a front view of an embodiment of a density altitude reticle according to the present invention.

FIG. 2 is a rear view of the density altitude reticle of FIG. 1 .

FIG. 3 is a left side view of the density altitude reticle of FIGS. 1 - 2 , the right side view being a mirror image of the left side view.

FIG. 4 is a top plan view of the density altitude reticle of FIGS. 1 - 2 , the bottom plan view being a mirror image of the top perspective view.

FIG. 5 is a front view of an embodiment of a density altitude reticle according to the present invention.

FIG. 6 is a rear view of the density altitude reticle of FIG. 5 .

FIG. 7 is a left side view of the density altitude reticle of FIGS. 5 - 6 , the right side view being a mirror image of the left side view; and,

FIG. 8 is a top plan view of the reticle of FIGS. 5 - 6 , the bottom plan view being a mirror image of the top plan view.

The dashed lines on the outer circular edges of FIGS. 1 , 2 , 5 and 6 illustrate an outer edge of the density altitude reticle according to the present invention and is intended to be a part of the claimed invention. These dashed lines on the outer circular edge are similar shown in alternative views in FIGS. 3 , 4 , 7 and 8 and, similarly, are intended to be part of the claimed invention.

All of the broken lines inside the perimeter of the circular broken lines shown in FIGS. 1 , 2 , 5 and 6 are part of the claimed invention and depict the actual appearance of the view within the density altitude reticle to show measurement symbols.