Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4BM callsign genealogy
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 KU4BM'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 KU4BM.
- MOORE, RONALD LFLgranted 1997-03-27cancelled 2001-01-05