Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7CFS callsign genealogy
Currently held by Marx, Beau A
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 KM7CFS'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 KM7CFS.
- Marx, Beau AWYgranted 2025-09-23