Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4MFF callsign genealogy
Currently held by Jones Jr, William B
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 KK4MFF'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 KK4MFF.
- Jones Jr, William BTNgranted 2023-11-14