Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5TMF callsign genealogy
Currently held by Natural State Xperimenters
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 KF5TMF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF5TMF.
- K5NSXactiveNatural State XperimentersARgranted 2023-08-23