Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KD4MPH callsign genealogy
Currently held by Hargrove, Michael P
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 KD4MPH's current licensee, walking backwards.
- Hargrove, Michael PALgranted 2024-08-17cancelled 2024-09-10
Successor callsigns
Callsigns held now by people who previously held KD4MPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4MPH, oldest first.
- BURNETT, DONALD R KY1992-04-07 → cancelled 2004-04-08
- Hargrove, Michael P AL2024-09-10 active