Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ8M callsign genealogy
Currently held by TABOR, FRANK L
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 KZ8M's current licensee, walking backwards.
- Spohn, Michael CCAgranted 2019-05-23cancelled 2019-10-27
Successor callsigns
Callsigns held now by people who previously held KZ8M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ8M, oldest first.
- TABOR, FRANK L MI2007-08-31 → cancelled 2019-10-09
- Spohn, Michael C CA2019-10-27 active