Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5MBB callsign genealogy
Currently held by Stone, Michael M
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 KA5MBB's current licensee, walking backwards.
- Stone, Michael MTXgranted 2014-06-24cancelled 2019-05-14
Successor callsigns
Callsigns held now by people who previously held KA5MBB.
No current licensee on record previously held this callsign.