Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4CAZ callsign genealogy
Currently held by Zindulka, Cheryl
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 N4CAZ's current licensee, walking backwards.
- Cazella, Phillip BCAgranted 2024-08-15cancelled 2024-09-10
Successor callsigns
Callsigns held now by people who previously held N4CAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CAZ, oldest first.
- GRUBB, MARVIN R FL1995-05-11 → cancelled 2007-05-12
- Zindulka, Cheryl VA2008-04-04 → cancelled 2020-04-07
- Cazella, Phillip B CA2024-09-10 active