Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0WBL callsign genealogy
Currently held by MABRY, WILLIAM B
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 K0WBL's current licensee, walking backwards.
- MABRY, WILLIAM BMNgranted 2025-04-16cancelled 2025-05-16
Successor callsigns
Callsigns held now by people who previously held K0WBL.
No current licensee on record previously held this callsign.