Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ1OZ callsign genealogy
Currently held by Osbon, Clayton F
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 WZ1OZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WZ1OZ.
No current licensee on record previously held this callsign.