Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SLU callsign genealogy
Currently held by STUSSE JR, 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 K0SLU's current licensee, walking backwards.
- STUSSE JR, ROBERT MMOgranted 2019-04-19cancelled 2020-03-31
Successor callsigns
Callsigns held now by people who previously held K0SLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0SLU, oldest first.
- WEISENBORN, CLIFFORD F IA2007-12-04 → cancelled 2020-02-26
- STUSSE JR, ROBERT M MO2020-03-31 active