Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1SC callsign genealogy
Currently held by MASON, GUY 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 AC1SC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC1SC.
- MASON, GUY AMEgranted 2024-06-22