Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3MN callsign genealogy
Currently held by Flaherty, Sean C
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 AC3MN's current licensee, walking backwards.
- Flaherty, Sean CMDgranted 2022-06-28cancelled 2024-06-10
Successor callsigns
Callsigns held now by people who previously held AC3MN.
No current licensee on record previously held this callsign.