| Name | Stefan |
| Callsign | DL3BY |
| Licensed since | 2011 |
| QTH | Hallbergmoos, Bavaria, Germany |
| Locator | JN58vh |
| Memberships | DARC – German Amateur Radio Club – local club Erding (C25) AGCW-DL – Activity Group CW (Telegraphy), #4134 GQRP Club – Low Power Radio Club, #16684 SKCC – Straight Key Century Club, #24974 |