Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4UHP callsign genealogy
Currently held by STROMBERG, THOMAS 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 KD4UHP's current licensee, walking backwards.
- Stromberg, Thomas RNCgranted 2025-03-04cancelled 2025-03-22
Successor callsigns
Callsigns held now by people who previously held KD4UHP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4UHP, oldest first.
- STROMBERG, THOMAS R GA2003-10-15 → cancelled 2015-10-16
- Stromberg, Thomas R NC2025-03-22 active