Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NI3M callsign genealogy
Currently held by Wallace Jr, Roy V
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 NI3M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NI3M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NI3M, oldest first.
- RICHARDSON SR, LOUIE A MD1997-03-20 → cancelled 2009-03-21
- Wallace Jr, Roy V MD2019-05-01 active