Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6DZ callsign genealogy
Currently held by Sunol Ridge Radio Club
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 N6DZ's current licensee, walking backwards.
- KG6WXJcancelledSunol Ridge Radio ClubCAgranted 2004-12-10cancelled 2005-01-15
Successor callsigns
Callsigns held now by people who previously held N6DZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6DZ, oldest first.
- ANNETT, ROBERT L CA1992-11-17 → cancelled 2004-11-18
- Sunol Ridge Radio Club CA2025-02-08 active