Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ZLZ callsign genealogy
Currently held by Kummer, Jordan R
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 KK4ZLZ's current licensee, walking backwards.
- Kummer, Jordan RGAgranted 2025-02-21
Successor callsigns
Callsigns held now by people who previously held KK4ZLZ.
- Kummer, Jordan RGAgranted 2025-02-21