Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF0TNS callsign genealogy
Currently held by Mohler, Erich 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 KF0TNS's current licensee, walking backwards.
- Mohler, ErichMOgranted 2022-04-05cancelled 2025-03-10
Successor callsigns
Callsigns held now by people who previously held KF0TNS.
- Mohler, Erich WKSgranted 2026-02-18