Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0FJM callsign genealogy
Currently held by Menzer III, Fred 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 KF0FJM's current licensee, walking backwards.
- Menzer III, Fred JCOgranted 2020-05-26cancelled 2020-06-13
Successor callsigns
Callsigns held now by people who previously held KF0FJM.
No current licensee on record previously held this callsign.