Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4NTC callsign genealogy
Currently held by North, Robert 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 N4NTC's current licensee, walking backwards.
- Coffey, NicholasALgranted 2021-03-24cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held N4NTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NTC, oldest first.
- North, Robert S VA2005-11-04 → cancelled 2018-02-01
- Coffey, Nicholas AL2021-04-13 active