Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9MJF callsign genealogy
Currently held by Fitzgerald, Matthew J
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 KD9MJF's current licensee, walking backwards.
- Fitzgerald, Matthew JILgranted 2017-09-11cancelled 2017-10-03
Successor callsigns
Callsigns held now by people who previously held KD9MJF.
No current licensee on record previously held this callsign.