Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NX4O callsign genealogy
Currently held by BOWERS, DONALD D
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 NX4O's current licensee, walking backwards.
- Bowers, Donald DFLgranted 1997-08-28cancelled 2001-06-09
Successor callsigns
Callsigns held now by people who previously held NX4O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NX4O, oldest first.
- BOWERS, DONALD D FL2021-03-29 active
- MC GLAUGHN, KENNETH R— → cancelled 1999-03-31