Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR6UST callsign genealogy
Currently held by Krust Jr, Robert 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 KR6UST's current licensee, walking backwards.
- Krust Jr, Robert CCAgranted 2019-10-23cancelled 2020-05-01
Successor callsigns
Callsigns held now by people who previously held KR6UST.
No current licensee on record previously held this callsign.