Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4CVB callsign genealogy
Currently held by DUGAS, MARK S
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 KD4CVB's current licensee, walking backwards.
- Lowery, David CGAgranted 2016-04-07cancelled 2023-03-07
Successor callsigns
Callsigns held now by people who previously held KD4CVB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4CVB, oldest first.
- DUGAS, MARK S FL2001-04-18 → cancelled 2013-07-17
- Lowery, David C GA2023-03-07 active