Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0ZSB callsign genealogy
Currently held by DAVEN, KENNETH E
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 WA0ZSB's current licensee, walking backwards.
- Vertrees, Timothy KMOgranted 2002-07-02cancelled 2003-07-09
Successor callsigns
Callsigns held now by people who previously held WA0ZSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA0ZSB, oldest first.
- DAVEN, KENNETH E MO1995-04-03 → cancelled 2002-11-03
- VERTREES, TIMOTHY K MO2025-03-20 active