Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9EAD callsign genealogy
Currently held by Detlefsen, David
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 K9EAD's current licensee, walking backwards.
- Detlefsen, DavidILgranted 2025-07-23cancelled 2025-08-15
Successor callsigns
Callsigns held now by people who previously held K9EAD.
No current licensee on record previously held this callsign.