Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5RC callsign genealogy
Currently held by COLBY, MICHAEL J
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 KM5RC's current licensee, walking backwards.
- COLBY, MICHAEL Jcancelled 1998-06-15
Successor callsigns
Callsigns held now by people who previously held KM5RC.
No current licensee on record previously held this callsign.