Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4PBM callsign genealogy
Currently held by CHRISTIE SR., JOHN R
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 WB4PBM'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 WB4PBM.
- CHRISTIE SR., JOHN RALgranted 2016-11-22