Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0I callsign genealogy
Currently held by STILLWELL, PATRICK M
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 AC0I's current licensee, walking backwards.
- STILLWELL, PATRICK MKSgranted 1992-04-14cancelled 2000-03-25
Successor callsigns
Callsigns held now by people who previously held AC0I.
No current licensee on record previously held this callsign.