Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4JCM callsign genealogy
Currently held by MOON, JUDETH C
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 N4JCM's current licensee, walking backwards.
- Jones, Christopher MSCgranted 2014-09-19cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held N4JCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JCM, oldest first.
- MOON, JUDETH C NC2000-12-05 → cancelled 2012-12-06
- Jones, Christopher M SC2025-09-12 active