Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1CMN callsign genealogy
Currently held by Nichols, Christopher M
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 N1CMN's current licensee, walking backwards.
- Nichols, Christopher MMAgranted 2020-02-20cancelled 2024-12-10
Successor callsigns
Callsigns held now by people who previously held N1CMN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1CMN, oldest first.
- ROGERS, ROBERT A MA1987-12-08 → cancelled 1999-12-09
- Nichols, Christopher M MA2024-12-10 active