Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1SY callsign genealogy
Currently held by Carey, Mark A
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 AC1SY's current licensee, walking backwards.
- Carey, Mark ANHgranted 2024-10-08cancelled 2024-10-17
Successor callsigns
Callsigns held now by people who previously held AC1SY.
- Carey, Mark ANHgranted 2025-01-03cancelled 2025-06-24