Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4AFM callsign genealogy
Currently held by Mastrapa, Armando F
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 N4AFM's current licensee, walking backwards.
- Mastrapa, Armando FFLgranted 2023-08-22cancelled 2024-04-26
Successor callsigns
Callsigns held now by people who previously held N4AFM.
No current licensee on record previously held this callsign.