Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4STR callsign genealogy
Currently held by ROWAN, ROGER A
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 KD4STR's current licensee, walking backwards.
- ROWAN, ROGER ATNgranted 2014-04-02cancelled 2024-01-03
Successor callsigns
Callsigns held now by people who previously held KD4STR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4STR, oldest first.
- KATYUTIN, YURI V VA2003-04-10 → cancelled 2014-09-16
- ROWAN, ROGER A GA2024-01-03 active