Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8ZZT callsign genealogy
Currently held by Carlson, Tyler
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 K8ZZT's current licensee, walking backwards.
- Carlson, TylerMIgranted 2024-01-26cancelled 2026-02-13
Successor callsigns
Callsigns held now by people who previously held K8ZZT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8ZZT, oldest first.
- Mashburn, Kenneth R TN2006-11-29 → cancelled 2019-02-14
- Carlson, Tyler MI2026-02-13 active