Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BKI callsign genealogy
Currently held by Drewniany, John J
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 W4BKI's current licensee, walking backwards.
- Drewniany, John JFLgranted 1997-07-30cancelled 2001-09-05
Successor callsigns
Callsigns held now by people who previously held W4BKI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BKI, oldest first.
- HAMLETT, JESSIE D FL1988-04-26 → cancelled 2000-04-27
- Drewniany, John J FL2021-11-25 active