Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3IU callsign genealogy
Currently held by ADDISON, RICHARD J
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 AC3IU's current licensee, walking backwards.
- ADDISON, RICHARD JPAgranted 2019-01-31cancelled 2022-04-05
Successor callsigns
Callsigns held now by people who previously held AC3IU.
- ADDISON, RICHARD JPAgranted 2022-08-12