SONNE network (Wolf number)


oMaps of observers
1997: Germany, Belgium, Europe, World 1, World 2

1998: Germany, Belgium, Europe, World 1, World 2

2006: Benelux / Germany, Europe, World

(The maps were created with "OMC" and Google Maps. National boundaries may not be correct.)

o Nations
1997: Pie graph (146 observer / instrument combinations)


Andreas Bulling
last update: 27-May-2007