Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TWS callsign genealogy
Currently held by Stigen, Tyler 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 K9TWS's current licensee, walking backwards.
- Stigen, Tyler WMNgranted 2021-07-20cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held K9TWS.
No current licensee on record previously held this callsign.