Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4NF callsign genealogy
Currently held by COPPER, MICHAEL 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 N4NF's current licensee, walking backwards.
- COPPER, MICHAEL SALgranted 1997-04-10cancelled 2000-01-07
Successor callsigns
Callsigns held now by people who previously held N4NF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NF, oldest first.
- COPPER, MICHAEL S FL2019-10-11 active
- ——