Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0JCS callsign genealogy
Currently held by Swailes, James 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 KC0JCS's current licensee, walking backwards.
- Swailes, James CNDgranted 2016-05-23cancelled 2016-07-19
Successor callsigns
Callsigns held now by people who previously held KC0JCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0JCS, oldest first.
- Brugman, Anthony O KS2000-11-09 → cancelled 2012-11-10
- Swailes, James C AZ2026-06-16 active