Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WMM callsign genealogy
Currently held by HOWARD, JAMES
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 N0WMM's current licensee, walking backwards.
- Steiner, Chad ESDgranted 2016-02-11cancelled 2025-09-20
Successor callsigns
Callsigns held now by people who previously held N0WMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WMM, oldest first.
- HOWARD, JAMES IA1993-04-27 → cancelled 2005-04-28
- Steiner, Chad E SD2025-09-20 active