Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZTS callsign genealogy
Currently held by Zetts III, Michael S
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 K5ZTS's current licensee, walking backwards.
- Zetts III, Michael STXgranted 2018-04-17cancelled 2018-06-16
Successor callsigns
Callsigns held now by people who previously held K5ZTS.
No current licensee on record previously held this callsign.