Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0DAZ callsign genealogy
Currently held by ZENK, DAVID A
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 N0DAZ's current licensee, walking backwards.
- ZENK, DAVID AMNgranted 2014-05-20cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held N0DAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0DAZ, oldest first.
- VALKUS, DAVID L MO1997-08-22 → cancelled 2009-08-25
- ZENK, DAVID A MN2025-12-02 active