Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0US callsign genealogy
Currently held by Diller, Kirby L
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 K0US's current licensee, walking backwards.
- Diller, Kirby LMOgranted 2023-11-23cancelled 2026-06-05
Successor callsigns
Callsigns held now by people who previously held K0US.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0US, oldest first.
- GOBEL, RICHARD NE2014-02-28 → cancelled 2026-05-19
- Diller, Kirby L MO2026-06-05 active