Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4GZS callsign genealogy
Currently held by Nagle, Thomas 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 KR4GZS's current licensee, walking backwards.
- Nagle, Thomas AGAgranted 2025-08-19cancelled 2025-11-19
Successor callsigns
Callsigns held now by people who previously held KR4GZS.
- Nagle, Thomas AGAgranted 2025-08-19cancelled 2026-02-18