Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0NVO callsign genealogy
Currently held by WARKENTIEN, DONALD 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 WB0NVO's current licensee, walking backwards.
- WARKENTIEN, DALE AKSgranted 1996-12-24cancelled 2006-01-27
Successor callsigns
Callsigns held now by people who previously held WB0NVO.
- WARKENTIEN, DONALD EKSgranted 2019-11-05
All historical holders
Every license row we've seen with the callsign WB0NVO, oldest first.
- WARKENTIEN, DONALD E KS1995-03-16 → cancelled 1999-12-21
- WARKENTIEN, DALE A KS2006-01-27 → cancelled 2018-01-30