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,
|
r..., e. g. r66 |
radius, red lines |
distance to national pole, 1 unity = 1 km or 100m |
Evolution:

