Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6UJM callsign genealogy
Currently held by SHEPHARD, TIMOTHY S
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 KC6UJM's current licensee, walking backwards.
- SHEPHARD, TIMOTHY SCAgranted 2025-05-06cancelled 2025-05-24
Successor callsigns
Callsigns held now by people who previously held KC6UJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6UJM, oldest first.
- SHEPHARD, TIMOTHY S CA2011-01-31 → cancelled 2023-05-02
- SHEPHARD, TIMOTHY S CA2025-05-24 active