Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9GI callsign genealogy
Currently held by HOFF, WILLIAM E
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 KC9GI's current licensee, walking backwards.
- WB9RJAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC9GI.
- HOFF, WILLIAM EWIgranted 2014-07-10cancelled 2024-01-05