Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF8Z callsign genealogy
Currently held by DOUB, KENT 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 KF8Z's current licensee, walking backwards.
- Utroske, Daniel SMIgranted 2003-12-11cancelled 2005-05-13
Successor callsigns
Callsigns held now by people who previously held KF8Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF8Z, oldest first.
- DOUB, KENT S CA1990-05-29 → cancelled 2002-05-30
- Utroske, Daniel S MI2025-03-15 active