Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FET callsign genealogy
Currently held by FONTAINE, JOHN R
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 K4FET's current licensee, walking backwards.
- Dahle, Ronald KNCgranted 2018-01-23cancelled 2018-04-06
Successor callsigns
Callsigns held now by people who previously held K4FET.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4FET, oldest first.
- FONTAINE, JOHN R FL2005-08-18 → cancelled 2017-09-26
- DAHLE, RONALD K NC2018-04-06 active