Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT6MSW callsign genealogy
Currently held by Swanstrom, Mark 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 KT6MSW's current licensee, walking backwards.
- Swanstrom, Mark HCAgranted 2016-06-21cancelled 2016-07-09
Successor callsigns
Callsigns held now by people who previously held KT6MSW.
No current licensee on record previously held this callsign.