Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WLG callsign genealogy
Currently held by BONNER, 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 W4WLG's current licensee, walking backwards.
- Glatthorn, William LFLgranted 2023-08-10cancelled 2023-09-19
Successor callsigns
Callsigns held now by people who previously held W4WLG.
- BONNER, DONALD WTXgranted 2010-07-03cancelled 2022-08-09
All historical holders
Every license row we've seen with the callsign W4WLG, oldest first.
- BONNER, DONALD W TX1996-04-15 → cancelled 2000-08-08
- Glatthorn, William L FL2023-09-19 active