Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4YDJ callsign genealogy
Currently held by MURRAY, TIMOTHY 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 KC4YDJ's current licensee, walking backwards.
- MURRAY, TIMOTHY AINgranted 2023-01-26cancelled 2023-02-22
Successor callsigns
Callsigns held now by people who previously held KC4YDJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4YDJ, oldest first.
- MURRAY, TIMOTHY A IN1993-10-26 → cancelled 2005-10-27
- MURRAY, TIMOTHY A IN2023-02-22 active