Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4WMU callsign genealogy
Currently held by BURGER II, WILLIAM C
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 KF4WMU'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 KF4WMU.
- BURGER II, WILLIAM CKYgranted 2019-03-12