Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JMX callsign genealogy
Currently held by DE LEON, CARLOS
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 W6JMX's current licensee, walking backwards.
- De Leon, Carlos ACAgranted 2012-11-13cancelled 2016-11-11
Successor callsigns
Callsigns held now by people who previously held W6JMX.
- DE LEON, CARLOSCAgranted 2026-06-12
All historical holders
Every license row we've seen with the callsign W6JMX, oldest first.
- DE LEON, CARLOS CA2016-06-17 → cancelled 2016-08-16
- De Leon, Carlos A CA2026-09-09 active