Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NKX callsign genealogy
Currently held by DOUMA, JOHN E
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 W4NKX's current licensee, walking backwards.
- Pendley, NicholasNCgranted 2025-11-21cancelled 2026-07-03
Successor callsigns
Callsigns held now by people who previously held W4NKX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NKX, oldest first.
- DOUMA, JOHN E AL1988-03-08 → cancelled 2000-03-09
- Pendley, Nicholas NC2026-07-03 active