Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6WTF callsign genealogy
Currently held by Umsted, Monte K
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 KN6WTF's current licensee, walking backwards.
- Umsted, Monte KCAgranted 2020-02-28cancelled 2020-06-27
Successor callsigns
Callsigns held now by people who previously held KN6WTF.
- Umsted, Monte KCAgranted 2026-08-25