Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4MC callsign genealogy
Currently held by FORD, WARREN C
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 KB4MC's current licensee, walking backwards.
- COX, MACK HTNgranted 2016-01-05cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held KB4MC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4MC, oldest first.
- FORD, WARREN C GA2003-07-29 → cancelled 2015-08-04
- COX, MACK H TN2026-02-19 active