Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5XM callsign genealogy
Currently held by SIEMION, CHESTER C
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 KM5XM's current licensee, walking backwards.
- SIEMION, CHESTER CLAgranted 1998-05-18cancelled 2001-12-19
Successor callsigns
Callsigns held now by people who previously held KM5XM.
No current licensee on record previously held this callsign.