Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SMF callsign genealogy
Currently held by Feltenberger, Timothy
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 K9SMF's current licensee, walking backwards.
- Feltenberger, TimothyPAgranted 2022-11-24cancelled 2023-02-22
Successor callsigns
Callsigns held now by people who previously held K9SMF.
No current licensee on record previously held this callsign.