Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GJB callsign genealogy
Currently held by BERRY, CLARK G
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 K4GJB's current licensee, walking backwards.
- Brown, Joe LTNgranted 2019-09-20cancelled 2020-07-07
Successor callsigns
Callsigns held now by people who previously held K4GJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GJB, oldest first.
- BERRY, CLARK G MA1997-12-16 → cancelled 2009-12-17
- Brown, Joe L TN2020-07-07 active