Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4VEO callsign genealogy
Currently held by BALDWIN, WILLIAM C
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 KD4VEO's current licensee, walking backwards.
- O'NEAL, DAVID CFLgranted 2011-11-10cancelled 2011-12-10
Successor callsigns
Callsigns held now by people who previously held KD4VEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4VEO, oldest first.
- BALDWIN, WILLIAM C FL1992-12-29 → cancelled 2004-12-30
- O'NEAL, DAVID C FL2022-02-17 active