Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZIV callsign genealogy
Currently held by BOURNE, MICHAEL W
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 K5ZIV's current licensee, walking backwards.
- BOURNE, MICHAEL WTXgranted 2017-01-24cancelled 2024-02-13
Successor callsigns
Callsigns held now by people who previously held K5ZIV.
- CLARK, VOLLEY HOKgranted 2009-12-31cancelled 2022-03-25
All historical holders
Every license row we've seen with the callsign K5ZIV, oldest first.
- CLARK, VOLLEY H OK1992-06-02 → cancelled 2000-03-24
- BOURNE, MICHAEL W TX2024-02-13 active