Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4CSX callsign genealogy
Currently held by Mills, Andy
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 KC4CSX's current licensee, walking backwards.
- Mills, AndyGAgranted 1999-10-30cancelled 2002-12-13
Successor callsigns
Callsigns held now by people who previously held KC4CSX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4CSX, oldest first.
- LARSEN, GEORGE D VA1987-12-22 → cancelled 1999-12-23
- Mills, Andy NC2023-01-12 active