Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3CZ callsign genealogy
Currently held by VAN ALLER, WILLEM H
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 K3CZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3CZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3CZ, oldest first.
- VAN ALLER, WILLEM H MD2008-07-09 → cancelled 2018-03-12
- Gaitanis, David A FL2020-03-31 active