Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WG9U callsign genealogy
Currently held by GUILLOT SR, LARRY 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 WG9U's current licensee, walking backwards.
- GUILLOT, LARRY DFLgranted 1997-11-10cancelled 2000-12-19
Successor callsigns
Callsigns held now by people who previously held WG9U.
- OELKE, STEVEN SWIgranted 2006-10-26cancelled 2018-11-27