VolksNav in Cameroon, national and urban radius r100

Click a red or green circle to discover the national city code of the clicked area.



  Target codes like CM m4:7 r22  

This target could be a city, a crossing, a stop point, a bridge etc. within Cameroon. The conventions for this format with hours, minutes and radius are as follows:

element meaning details
CM prefix of a national or urban position code

Bases on an relevant point called r0, the national pole.

Yaounde: place A. Ahidjo
m12

reference horizon hour

from pole to north,

m3 to sunrise, m6 to south etc. These direction lines divide the city or nation like a cake into 12 m-sectors.
number after ":", e.g. m12:5

horizon minutes,

blue lines

distance to horizon hour,


1 unity = 1 km or 100m

r...,

e. g. r66

radius,

red lines

distance to national pole,

1 unity = 1 km or 100m

The red circles show the 100km or 10km radius.

Evolution:

hb