Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC6EMS callsign genealogy
Currently held by SPOLIDORO, JOSEPH A
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 KC6EMS's current licensee, walking backwards.
- Coxon, Myron KentCAgranted 2007-05-31cancelled 2007-11-16
Successor callsigns
Callsigns held now by people who previously held KC6EMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6EMS, oldest first.
- SPOLIDORO, JOSEPH A CA1989-06-20 → cancelled 2001-06-21
- Coxon, Myron K CA2017-09-13 active