Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1UST callsign genealogy
Currently held by Collins, Jonathan A
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 KC1UST's current licensee, walking backwards.
- Collins, Jonathan AMEgranted 2021-01-27cancelled 2024-04-30
Successor callsigns
Callsigns held now by people who previously held KC1UST.
No current licensee on record previously held this callsign.