Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9HZM callsign genealogy
Currently held by ALLSHOUSE, MARLENE K
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 KC9HZM'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 KC9HZM.
- ALLSHOUSE 210, MARLENE KFLgranted 2017-10-05