Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5FDM callsign genealogy
Currently held by Mullen, Dean
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 K5FDM's current licensee, walking backwards.
- Mullen, DeanTXgranted 2020-05-29cancelled 2020-07-07
Successor callsigns
Callsigns held now by people who previously held K5FDM.
No current licensee on record previously held this callsign.