Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9ZEX callsign genealogy
Currently held by Zentner, Eric G
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 KB9ZEX's current licensee, walking backwards.
- ZENTNER, ERIC GWIgranted 2018-12-31cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KB9ZEX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9ZEX, oldest first.
- Zentner, Eric G WI2001-04-02 → cancelled 2013-04-03
- ZENTNER, ERIC G WI2019-02-20 active