Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9MX callsign genealogy
Currently held by Knuckles, Ronald L
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 AB9MX's current licensee, walking backwards.
- Knuckles, Ronald LINgranted 1997-02-26cancelled 2006-10-16
Successor callsigns
Callsigns held now by people who previously held AB9MX.
No current licensee on record previously held this callsign.