Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5FDE callsign genealogy
Currently held by ROCK III, JOHN M
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 KF5FDE's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF5FDE.
- ROCK III, JOHN MTXgranted 2020-06-09