Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9MRT callsign genealogy
Currently held by Taylor, Michael R
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 K9MRT's current licensee, walking backwards.
- KE9AUNcancelledMartin County Amateur Radio ClubINgranted 2024-06-12cancelled 2024-10-01
Successor callsigns
Callsigns held now by people who previously held K9MRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9MRT, oldest first.
- Taylor, Michael R IL2011-08-19 → cancelled 2023-08-22
- Martin County Amateur Radio Club IN2024-10-01 active