Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MBM callsign genealogy
Currently held by Murphy, Michael
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 K5MBM's current licensee, walking backwards.
- Murphy, MichaelTXgranted 2013-02-19cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held K5MBM.
No current licensee on record previously held this callsign.