Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6ROC callsign genealogy
Currently held by Swanson, Dennis C
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 N6ROC's current licensee, walking backwards.
- Swanson, Dennis CAZgranted 2013-10-30cancelled 2014-04-04
Successor callsigns
Callsigns held now by people who previously held N6ROC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6ROC, oldest first.
- ROCKETRY ORGANIZATION OF CALIFORNIA CA2000-10-24 → cancelled 2012-10-25
- Swanson, Dennis C AZ2024-01-17 active