Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3KZ callsign genealogy
Currently held by Karr, Edmund P
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 K3KZ's current licensee, walking backwards.
- Karr, Edmund PCOgranted 2002-03-15cancelled 2008-08-05
Successor callsigns
Callsigns held now by people who previously held K3KZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3KZ, oldest first.
- RINGEL, MALCOLM H MD1997-02-12 → cancelled 2006-06-16
- Karr, Edmund P AZ2018-05-14 active