Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DMH callsign genealogy
Currently held by HUBBS, DOUGLAS 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 K4DMH's current licensee, walking backwards.
- HENSON SR, DAVID MSCgranted 2023-04-04cancelled 2023-04-25
Successor callsigns
Callsigns held now by people who previously held K4DMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DMH, oldest first.
- HUBBS, DOUGLAS M FL2010-03-17 → cancelled 2022-05-14
- Henson Sr, David M SC2023-04-25 active