Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TZS callsign genealogy
Currently held by Stanberry, Jim D
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 K5TZS's current licensee, walking backwards.
- Griffon, David LOKgranted 2015-09-15cancelled 2022-07-01
Successor callsigns
Callsigns held now by people who previously held K5TZS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5TZS, oldest first.
- Stanberry, Jim D TX2010-03-16 → cancelled 2022-06-14
- Griffon, David L OK2022-07-01 active