Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0OBZ callsign genealogy
Currently held by Ostteen, Bishop
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 W0OBZ's current licensee, walking backwards.
- Ostteen, BishopCOgranted 2018-03-02cancelled 2018-03-27
Successor callsigns
Callsigns held now by people who previously held W0OBZ.
No current licensee on record previously held this callsign.