Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0MS callsign genealogy
Currently held by BENKE Mr, STEVEN 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 KF0MS's current licensee, walking backwards.
- STEFANSKI, MICHAEL JCOgranted 2024-07-02cancelled 2025-09-23
Successor callsigns
Callsigns held now by people who previously held KF0MS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF0MS, oldest first.
- BENKE Mr, STEVEN W NE2010-09-02 → cancelled 2022-09-13
- STEFANSKI, MICHAEL J CO2025-09-23 active