left click to activate ruler tool, right click stops ruler tool

156W0.00
155W0.00
154W0.00
153W0.00
152W0.00
151W0.00
73N12.00
73N24.00
73N36.00
73N48.00
74N0.00
74N12.00
74N24.00
74N36.00
74N48.00
white: 25m
black: 50m
magenta: 100m
cyan: 200m
yellow: 500m
blue: 1000m
green: 2000m
red: 5000m
cursor
glider
ruler
dive tail
enable KML

BESbswy