Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0CI callsign genealogy
Currently held by McDowell, Randall G
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 AC0CI's current licensee, walking backwards.
- McDowell, Randall GMNgranted 2004-04-15cancelled 2005-04-15
Successor callsigns
Callsigns held now by people who previously held AC0CI.
No current licensee on record previously held this callsign.