Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0FDM callsign genealogy
Currently held by Medina, Frederick 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 K0FDM's current licensee, walking backwards.
- Medina, Frederick DMNgranted 2016-04-19cancelled 2016-08-23
Successor callsigns
Callsigns held now by people who previously held K0FDM.
No current licensee on record previously held this callsign.