Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4LNX callsign genealogy
Currently held by DOORNBOS, MICHAEL R
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 N4LNX's current licensee, walking backwards.
- Doornbos, Michael RVAgranted 2011-06-24cancelled 2011-08-19
Successor callsigns
Callsigns held now by people who previously held N4LNX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LNX, oldest first.
- MARSHALL, ALULA W VA1998-01-27 → cancelled 2010-01-28
- DOORNBOS, MICHAEL R NC2021-05-22 active