Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ZAZ callsign genealogy
Currently held by Crudup, DeTavio
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 K6ZAZ's current licensee, walking backwards.
- Crudup, DeTavio TCAgranted 2013-07-01cancelled 2021-07-13
Successor callsigns
Callsigns held now by people who previously held K6ZAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ZAZ, oldest first.
- TSUDA, TADASO CA2005-05-23 → cancelled 2017-08-22
- Crudup, DeTavio CA2021-07-13 active