Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NUM callsign genealogy
Currently held by Wester, Arthur
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 K4NUM's current licensee, walking backwards.
- Wester, ArthurFLgranted 2021-12-20cancelled 2022-01-28
Successor callsigns
Callsigns held now by people who previously held K4NUM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4NUM, oldest first.
- SEATON, EARL D TN2007-03-22 → cancelled 2019-05-31
- Wester, Arthur FL2022-01-28 active