Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6FR callsign genealogy
Currently held by O BRIEN, MARK E
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 AF6FR's current licensee, walking backwards.
- O Brien, Mark ECAgranted 2003-11-04cancelled 2007-11-13
Successor callsigns
Callsigns held now by people who previously held AF6FR.
No current licensee on record previously held this callsign.