Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9FI callsign genealogy
Currently held by FONTE, JAMES M
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 K9FI's current licensee, walking backwards.
- Riedel, Gerald GWIgranted 2004-04-19cancelled 2009-03-17
Successor callsigns
Callsigns held now by people who previously held K9FI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9FI, oldest first.
- FONTE, JAMES M IN1999-11-27 → cancelled 2007-02-18
- Riedel, Gerald G WI2018-12-28 active