Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6DUI callsign genealogy
Currently held by GOSSWILLER JR, ROBERT O
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 KB6DUI's current licensee, walking backwards.
- GOSSWILLER JR, ROBERT OCAgranted 2007-06-26cancelled 2013-07-30
Successor callsigns
Callsigns held now by people who previously held KB6DUI.
- GOSSWILLER JR, ROBERT OCAgranted 2007-06-26cancelled 2013-07-30
All historical holders
Every license row we've seen with the callsign KB6DUI, oldest first.
- GOSSWILLER JR, ROBERT O AZ2023-06-30 active
- GOSSWILLER JR, ROBERT O— → cancelled 1997-09-17