Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4BB callsign genealogy
Currently held by Brandon, John W
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 KM4BB's current licensee, walking backwards.
- Brandon, John WALgranted 2015-03-26cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held KM4BB.
No current licensee on record previously held this callsign.