Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1ADM callsign genealogy
Currently held by Marshall Jr, Allen 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 N1ADM's current licensee, walking backwards.
- Morrison, Andrew DCAgranted 2024-12-21cancelled 2025-01-28
Successor callsigns
Callsigns held now by people who previously held N1ADM.
- Marshall Jr, Allen DGAgranted 2021-04-23
All historical holders
Every license row we've seen with the callsign N1ADM, oldest first.
- HUNTLEY, ROBERT A RI1999-01-28 → cancelled 2011-01-29
- Marshall Jr, Allen D GA2016-04-29 → cancelled 2021-04-23
- Morrison, Andrew D CA2025-01-28 active