Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG6N callsign genealogy
Currently held by WIEBUSCH III, FRANK W
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 KG6N's current licensee, walking backwards.
- Wiebusch III, Frank WCAgranted 2004-05-11cancelled 2011-03-22
Successor callsigns
Callsigns held now by people who previously held KG6N.
- SULLIVAN, JEFF MNMgranted 2018-12-07
All historical holders
Every license row we've seen with the callsign KG6N, oldest first.
- SULLIVAN, JEFF M AZ2000-02-15 → cancelled 2009-02-27
- WIEBUSCH III, FRANK W CA2021-03-27 active