Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3SUD callsign genealogy
Currently held by Dusek, Robert M
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 K3SUD's current licensee, walking backwards.
- Dusek, Robert MTXgranted 2016-01-20cancelled 2018-03-30
Successor callsigns
Callsigns held now by people who previously held K3SUD.
No current licensee on record previously held this callsign.