Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6ZMI callsign genealogy
Currently held by SUDMEIER, TOD R
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 KF6ZMI'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 KF6ZMI.
- SUDMEIER, TOD RCAgranted 2022-09-13