Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0NBC callsign genealogy
Currently held by WELLINGHOFF, JAMES J
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 W0NBC's current licensee, walking backwards.
- WELLINGHOFF, JAMES JMOgranted 2000-01-13cancelled 2010-01-09
Successor callsigns
Callsigns held now by people who previously held W0NBC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0NBC, oldest first.
- ROCKHOLD, ALVIS E KS1996-09-09 → cancelled 2008-09-10
- WELLINGHOFF, JAMES J MO2019-10-15 active