Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0OZ callsign genealogy
Currently held by OSBORNE, JOSEPH 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 K0OZ's current licensee, walking backwards.
- Boccuzzi, Brian MCTgranted 2021-03-18cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held K0OZ.
- MORRIS JR, DON BTXgranted 2020-07-07cancelled 2020-09-15
All historical holders
Every license row we've seen with the callsign K0OZ, oldest first.
- OSBORNE, JOSEPH L MO1997-02-12 → cancelled 2009-02-13
- MORRIS JR, DON B TX2019-02-12 → cancelled 2020-07-07
- Boccuzzi, Brian M CT2022-07-26 active