Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W9BUM callsign genealogy
Currently held by BUXTON, FRANCIS E
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 W9BUM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9BUM.
All historical holders
Every license row we've seen with the callsign W9BUM, oldest first.
- BUXTON, FRANCIS E IN1987-12-22 → cancelled 1999-12-23
- MILNER, JOHN M IN2006-12-29 → cancelled 2008-03-01
- MILNER, JOHN M IN2022-08-12 → cancelled 2025-02-11