Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4DDO callsign genealogy
Currently held by VINCENT, VICTOR J
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 KD4DDO's current licensee, walking backwards.
- Bement, Tylor RMNgranted 2025-07-10cancelled 2025-07-29
Successor callsigns
Callsigns held now by people who previously held KD4DDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4DDO, oldest first.
- VINCENT, VICTOR J FL1991-07-23 → cancelled 2003-07-24
- Bement, Tylor R MN2025-07-29 active