Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5FX callsign genealogy
Currently held by BUSBY, CHARLES L
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 KC5FX's current licensee, walking backwards.
- MARBURY, MATTHEW JTXgranted 2004-08-23cancelled 2009-12-15
Successor callsigns
Callsigns held now by people who previously held KC5FX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5FX, oldest first.
- BUSBY, CHARLES L TX1995-04-03 → cancelled 2007-04-04
- MARBURY, MATTHEW J TX2019-12-02 active