Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4FIB callsign genealogy
Currently held by WAUTHIER, JADRIEN T
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 KF4FIB's current licensee, walking backwards.
- Wauthier, Jadrien TTNgranted 2021-12-14cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held KF4FIB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4FIB, oldest first.
- WAUTHIER, JADRIEN T TN1996-05-21 → cancelled 2007-12-07
- Wauthier, Jadrien T TN2022-01-07 active