Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9CU callsign genealogy
Currently held by GIACOBAZZI, JAMES 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 AC9CU's current licensee, walking backwards.
- GIACOBAZZI, JAMES CILgranted 2012-06-18cancelled 2012-07-20
Successor callsigns
Callsigns held now by people who previously held AC9CU.
No current licensee on record previously held this callsign.