Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JJ callsign genealogy
Currently held by BALCH II, JOSEPH A
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 K4JJ's current licensee, walking backwards.
- KJ4RTTcancelledNorth Fulton Amateur Radio League IncGAgranted 2010-01-22cancelled 2010-03-02
Successor callsigns
Callsigns held now by people who previously held K4JJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JJ, oldest first.
- BALCH II, JOSEPH A GA2007-04-03 → cancelled 2007-06-24
- North Fulton Amateur Radio League Inc GA2020-02-05 active