Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SWT callsign genealogy
Currently held by POWELL, JOHN H
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 K6SWT's current licensee, walking backwards.
- Folsom, LukeCAgranted 2024-09-21cancelled 2024-10-12
Successor callsigns
Callsigns held now by people who previously held K6SWT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SWT, oldest first.
- POWELL, JOHN H CA1997-03-03 → cancelled 2009-03-04
- Folsom, Luke CA2024-10-12 active