Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4ST callsign genealogy
Currently held by BRAGG, PHILL
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 KM4ST's current licensee, walking backwards.
- Tromp, SafdarFLgranted 2015-07-13cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held KM4ST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4ST, oldest first.
- BRAGG, PHILL NC2000-04-19 → cancelled 2012-04-20
- Tromp, Safdar FL2020-03-03 active