Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6OR callsign genealogy
Currently held by ESTACIO, 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 AF6OR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF6OR.
No current licensee on record previously held this callsign.