Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT7SAS callsign genealogy
Currently held by Schuldenfrei, Stephen A
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 KT7SAS's current licensee, walking backwards.
- Schuldenfrei, Stephen AAZgranted 2012-04-05cancelled 2012-04-24
Successor callsigns
Callsigns held now by people who previously held KT7SAS.
No current licensee on record previously held this callsign.