Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0BMM callsign genealogy
Currently held by LAWLER, JOHN H
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 K0BMM's current licensee, walking backwards.
- Maxwell, Brent MVAgranted 2012-08-18cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held K0BMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0BMM, oldest first.
- LAWLER, JOHN H AZ1995-02-22 → cancelled 2007-02-23
- Maxwell, Brent M VA2025-11-25 active