Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW3X callsign genealogy
Currently held by Dumanovic, Dusko
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 KW3X's current licensee, walking backwards.
- Dumanovic, DuskoMAgranted 2019-07-09cancelled 2019-08-09
Successor callsigns
Callsigns held now by people who previously held KW3X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KW3X, oldest first.
- Buchanan, John A MD2007-04-09 → cancelled 2019-07-03
- Dumanovic, Dusko MA2019-08-09 active