Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JZB callsign genealogy
Currently held by LeDuc, Jim
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 K0JZB's current licensee, walking backwards.
- LeDuc, JimIAgranted 2010-01-26cancelled 2018-08-14
Successor callsigns
Callsigns held now by people who previously held K0JZB.
No current licensee on record previously held this callsign.