Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS1TL callsign genealogy
Currently held by Barringer, Mark W
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 KS1TL's current licensee, walking backwards.
- Barringer, Mark WWYgranted 2016-08-30cancelled 2017-02-24
Successor callsigns
Callsigns held now by people who previously held KS1TL.
No current licensee on record previously held this callsign.