Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK6OY callsign genealogy
Currently held by Crosby, Mark
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 AK6OY's current licensee, walking backwards.
- Crosby, MarkCAgranted 2024-03-12cancelled 2025-07-14
Successor callsigns
Callsigns held now by people who previously held AK6OY.
No current licensee on record previously held this callsign.