Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1AMM callsign genealogy
Currently held by HELENIUS, RUDOLF C
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 N1AMM's current licensee, walking backwards.
- MERONE, ARIELEFLgranted 2024-02-06cancelled 2024-02-27
Successor callsigns
Callsigns held now by people who previously held N1AMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1AMM, oldest first.
- HELENIUS, RUDOLF C MA2010-03-04 → cancelled 2022-06-01
- MERONE, ARIELE FL2024-02-27 active