Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3YM callsign genealogy
Currently held by Dimitrijevic, Christopher
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 W3YM's current licensee, walking backwards.
- Dimitrijevic, ChristopherCAgranted 2015-05-15cancelled 2015-06-30
Successor callsigns
Callsigns held now by people who previously held W3YM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3YM, oldest first.
- MAZUR, JOHN PA2004-02-12 → cancelled 2013-06-11
- Dimitrijevic, Christopher CA2025-04-15 active