Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4TNS callsign genealogy
Currently held by Sterne, Thomas N
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 KZ4TNS's current licensee, walking backwards.
- Sterne, Thomas NNCgranted 2021-07-12cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held KZ4TNS.
No current licensee on record previously held this callsign.