Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PLM callsign genealogy
Currently held by FLAMMIA, MICHAEL 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 N4PLM's current licensee, walking backwards.
- Ruhl, Trevor MGAgranted 2025-02-11cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held N4PLM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PLM, oldest first.
- FLAMMIA, MICHAEL D GA2012-08-09 → cancelled 2024-08-27
- Ruhl, Trevor M GA2025-03-04 active