Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5MB callsign genealogy
Currently held by MARTIN, STERLING R
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 AC5MB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC5MB.
No current licensee on record previously held this callsign.