The various shapes can be used to encode density altitude ballistic compensation into the dots as {HEAD ~ an alternative} for {TAIL ~ the nomograph} shown and discussed in FIG 7A and FIG 7B 
The various shapes can be used to encode density altitude ballistic compensation into the dots as { HEAD ~ an alternative } for { TAIL ~ the nomograph } shown and discussed in FIG 7A and FIG 7B
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH