Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DWJ callsign genealogy
Currently held by MIDDLETON, 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 N4DWJ's current licensee, walking backwards.
- Johnson, Michael WALgranted 2024-11-08cancelled 2026-05-09
Successor callsigns
Callsigns held now by people who previously held N4DWJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DWJ, oldest first.
- MIDDLETON, DONALD W FL1996-01-22 → cancelled 2008-01-23
- Johnson, Michael W AL2026-05-09 active