Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JLZ callsign genealogy
Currently held by Zimmerman, James 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 K0JLZ's current licensee, walking backwards.
- Zimmerman, James LCOgranted 2001-04-18cancelled 2001-05-08
Successor callsigns
Callsigns held now by people who previously held K0JLZ.
- Zimmerman, James LKSgranted 2019-02-22