Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8KDY callsign genealogy
Currently held by Muller, Norbert
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 K8KDY's current licensee, walking backwards.
- Muller, NorbertNYgranted 2024-03-30cancelled 2026-07-21
Successor callsigns
Callsigns held now by people who previously held K8KDY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8KDY, oldest first.
- HOPKINS, JOHN E MI1997-11-10 → cancelled 2009-11-11
- Muller, Norbert NY2026-07-21 active