Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0QHZ callsign genealogy
Currently held by WARREN JR, LEONARD C
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 N0QHZ's current licensee, walking backwards.
- WARREN JR, LEONARD CKSgranted 2025-12-03cancelled 2025-12-23
Successor callsigns
Callsigns held now by people who previously held N0QHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0QHZ, oldest first.
- WARREN JR, LEONARD C KS2012-06-13 → cancelled 2024-08-14
- WARREN JR, LEONARD C KS2025-12-23 active