Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4TAZ callsign genealogy
Currently held by White, Michael A
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 KF4TAZ's current licensee, walking backwards.
- WHITE, MICHAEL ANCgranted 2018-12-01cancelled 2023-01-27
Successor callsigns
Callsigns held now by people who previously held KF4TAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4TAZ, oldest first.
- BISHOP, JOHNNY D AL2007-06-12 → cancelled 2019-07-02
- White, Michael A NC2023-01-27 active