Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RCM callsign genealogy
Currently held by MC MAHON JR, CHARLES W
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 N4RCM's current licensee, walking backwards.
- MORGAN, CHRISNCgranted 2018-07-06cancelled 2018-09-07
Successor callsigns
Callsigns held now by people who previously held N4RCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RCM, oldest first.
- MC MAHON JR, CHARLES W SC1987-09-15 → cancelled 1999-09-16
- Morgan, Chris NC2018-09-07 active