Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K9DAZ callsign genealogy
Currently held by Zilai, 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 K9DAZ's current licensee, walking backwards.
- Zilai, David AINgranted 2021-03-22cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held K9DAZ.
No current licensee on record previously held this callsign.