Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MST callsign genealogy
Currently held by McDowell Jr, Paul T
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 K4MST's current licensee, walking backwards.
- McDowell Jr, Paul TNCgranted 2024-10-01cancelled 2024-10-22
Successor callsigns
Callsigns held now by people who previously held K4MST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MST, oldest first.
- Taylor, Merritt S GA2009-04-25 → cancelled 2021-07-23
- McDowell Jr, Paul T NC2024-10-22 active