Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FBI callsign genealogy
Currently held by VOUGHT jr, DONALD W
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 K4FBI's current licensee, walking backwards.
- Butler, Michael EVAgranted 2014-09-16cancelled 2017-12-19
Successor callsigns
Callsigns held now by people who previously held K4FBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4FBI, oldest first.
- VOUGHT jr, DONALD W NC2005-08-30 → cancelled 2017-11-29
- Butler, Michael E VA2017-12-19 active