Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TMH callsign genealogy
Currently held by HARRISON, TODD M
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 K4TMH's current licensee, walking backwards.
- LeRay, MaryAnnNCgranted 2024-07-02cancelled 2025-04-04
Successor callsigns
Callsigns held now by people who previously held K4TMH.
- HARRISON, TODD MVAgranted 2022-07-06
All historical holders
Every license row we've seen with the callsign K4TMH, oldest first.
- HARRISON, TODD M VA2019-05-03 → cancelled 2022-07-06
- LeRay, MaryAnn NC2025-04-04 active