Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JCM callsign genealogy
Currently held by WILKINSON, HENRY N
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 K4JCM's current licensee, walking backwards.
- Mateer, Jeffrey CFLgranted 2022-01-13cancelled 2022-02-01
Successor callsigns
Callsigns held now by people who previously held K4JCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JCM, oldest first.
- WILKINSON, HENRY N TN1996-02-15 → cancelled 2008-02-16
- METTS JR, JULIUS C FL2009-12-11 → cancelled 2021-12-14
- Mateer, Jeffrey C NV2022-02-01 active