Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1M callsign genealogy
Currently held by ABDULRAHIM, MAHDIY K
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 AB1M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB1M.
No current licensee on record previously held this callsign.