Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5JMC callsign genealogy
Currently held by Cone, John 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 KA5JMC's current licensee, walking backwards.
- Cone 717, John MTXgranted 2021-03-03cancelled 2021-09-04
Successor callsigns
Callsigns held now by people who previously held KA5JMC.
No current licensee on record previously held this callsign.