Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9ODW callsign genealogy
Currently held by SELLUNG, JOHN D
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 KB9ODW's current licensee, walking backwards.
- SELLUNG, JOHN DWIgranted 2006-07-07cancelled 2012-12-28
Successor callsigns
Callsigns held now by people who previously held KB9ODW.
- SELLUNG, JOHN DWIgranted 2006-07-07cancelled 2012-12-28
All historical holders
Every license row we've seen with the callsign KB9ODW, oldest first.
- SELLUNG, JOHN D WI2006-07-07 → cancelled 2009-02-24
- SELLUNG, JOHN D WI2022-12-23 active