Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WO0NTZ callsign genealogy
Currently held by Casler, Jm
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 WO0NTZ's current licensee, walking backwards.
- Casler, JmCAgranted 2021-10-25cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held WO0NTZ.
No current licensee on record previously held this callsign.