| Name: | 'Chris' |
| born: | 7. November 1974 |
| Job: | Teacher for Mathematics and Physics |
| QTH1: | Werdohl - Germany
Locator: JO31VG |
| QTH2: | Köln (Cologne) - Germany
Locator: JO30LV |
| DK0UN: | Clubstation of the University of Cologne
Locator: JO30LW |
| DF0MK: | Clubstation of the Radioclub Plettenberg
Locator: JO31WE |
Also used the callsigns: DK0UN, DF0DA, DA0PLG, DF0MK, DL0DWS, F/DL6DCX
DOK O25 - HH 2102