Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK6FO callsign genealogy
Currently held by OBrien, Michael
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 AK6FO's current licensee, walking backwards.
- OBrien, MichaelCAgranted 2024-02-13cancelled 2024-03-04
Successor callsigns
Callsigns held now by people who previously held AK6FO.
- O'Brien, MichaelCAgranted 2024-05-03