Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2AJB callsign genealogy
Currently held by Baum III, Allan J
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 K2AJB's current licensee, walking backwards.
- Baum III, Allan JNJgranted 2015-03-16cancelled 2017-11-28
Successor callsigns
Callsigns held now by people who previously held K2AJB.
No current licensee on record previously held this callsign.