Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ZB callsign genealogy
Currently held by BUNKER, DONALD 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 W7ZB's current licensee, walking backwards.
- WARD, MARK FORgranted 1990-12-24cancelled 2000-04-17
Successor callsigns
Callsigns held now by people who previously held W7ZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ZB, oldest first.
- BUNKER, DONALD A OR1988-03-29 → cancelled 2000-03-30
- WARD, MARK F OR2020-04-03 active