Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4D callsign genealogy
Currently held by Baker, James V
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 KM4D's current licensee, walking backwards.
- Haun Jr, George WTNgranted 2023-05-10cancelled 2023-12-02
Successor callsigns
Callsigns held now by people who previously held KM4D.
- Baker, James VALgranted 2021-11-13
All historical holders
Every license row we've seen with the callsign KM4D, oldest first.
- HOPPER, STEPHEN L KY1994-09-09 → cancelled 2006-09-12
- JONES, DAVID L SC2016-07-18 → cancelled 2017-03-10
- Baker, James V AL2019-03-29 → cancelled 2021-11-13
- Haun Jr, George W TN2023-12-02 active