Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9GDK callsign genealogy
Currently held by Keneipp, Glenn D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W9GDK's current licensee, walking backwards.
- Keneipp, Glenn DILgranted 2005-11-08cancelled 2011-03-04
Successor callsigns
Callsigns held now by people who previously held W9GDK.
- KEMP, GENE DINgranted 2018-06-11
All historical holders
Every license row we've seen with the callsign W9GDK, oldest first.
- Kemp, Gene D IN2003-01-24 → cancelled 2008-08-05
- Keneipp, Glenn D IL2020-12-14 active