Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1KOP callsign genealogy
Currently held by Herold, Nicholas H
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 N1KOP's current licensee, walking backwards.
- Herold, Nicholas HMAgranted 2016-05-25cancelled 2016-06-14
Successor callsigns
Callsigns held now by people who previously held N1KOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1KOP, oldest first.
- GREEN, PAMELA NH1991-11-26 → cancelled 2003-11-27
- Herold, Nicholas H ME2016-06-14 active