Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ASM callsign genealogy
Currently held by MARKS, ANDREW S
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 N4ASM's current licensee, walking backwards.
- MARKS, ANDREW SNCgranted 2008-08-11cancelled 2008-09-06
Successor callsigns
Callsigns held now by people who previously held N4ASM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ASM, oldest first.
- FITZGERALD, ROBERT E NC1988-11-22 → cancelled 2000-11-28
- MARKS, ANDREW S NC2018-06-28 active