Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4XJ callsign genealogy
Currently held by Gallagher, Gregg
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 KZ4XJ's current licensee, walking backwards.
- Gallagher, GreggGAgranted 2023-06-22cancelled 2025-11-19
Successor callsigns
Callsigns held now by people who previously held KZ4XJ.
- Gallagher, GreggGAgranted 2025-12-09