Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MJM callsign genealogy
Currently held by McCoombe, Marc 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 K5MJM's current licensee, walking backwards.
- McCoombe, Marc JOKgranted 2001-04-17cancelled 2010-03-02
Successor callsigns
Callsigns held now by people who previously held K5MJM.
No current licensee on record previously held this callsign.