Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0O callsign genealogy
Currently held by ELSON, JEFF S
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 KR0O's current licensee, walking backwards.
- Hilton, Dustin DMOgranted 2021-02-08cancelled 2023-12-02
Successor callsigns
Callsigns held now by people who previously held KR0O.
- Noreen, James AIAgranted 2021-11-13
All historical holders
Every license row we've seen with the callsign KR0O, oldest first.
- ELSON, JEFF S MO2017-01-04 → cancelled 2019-06-29
- Ray, James S IA2021-07-27 → cancelled 2021-11-13
- Hilton, Dustin D MO2023-12-02 active