Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RM callsign genealogy
Currently held by Hautau, Michael W
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 KX4RM's current licensee, walking backwards.
- Hautau, Michael WALgranted 2018-01-30cancelled 2019-04-23
Successor callsigns
Callsigns held now by people who previously held KX4RM.
No current licensee on record previously held this callsign.