Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BPM callsign genealogy
Currently held by MATHIS, BRIAN P
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 K9BPM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9BPM.
No current licensee on record previously held this callsign.