Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KU4GA callsign genealogy
Currently held by WALSH, JOHN T
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 KU4GA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KU4GA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU4GA, oldest first.
- WALSH, JOHN T VA1997-12-18 → cancelled 2009-01-28
- BARNES, JOSEPH W GA2026-10-10 active