Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6OCS callsign genealogy
Currently held by OC902
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 N6OCS's current licensee, walking backwards.
- KI6CWHcancelledOC902CAgranted 2006-03-07cancelled 2006-05-06
Successor callsigns
Callsigns held now by people who previously held N6OCS.
- VREUGDENHIL, ROBERT BTXgranted 2016-04-07
All historical holders
Every license row we've seen with the callsign N6OCS, oldest first.
- SIERRA AMATEUR RADIO CLUB CA1999-06-02 → cancelled 2000-09-18
- OC902 AZ2026-06-12 active