Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4AJB callsign genealogy
Currently held by Berlier, Adam
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 WD4AJB's current licensee, walking backwards.
- Berlier, AdamCOgranted 2024-06-29cancelled 2024-07-26
Successor callsigns
Callsigns held now by people who previously held WD4AJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4AJB, oldest first.
- BUCK, DALLAS E NC2004-12-03 → cancelled 2017-02-03
- Berlier, Adam CO2024-07-26 active