Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ARJ callsign genealogy
Currently held by GRAVES, JULIA K
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 KC0ARJ's current licensee, walking backwards.
- ANTOSZEWSKI JR, TERENCE RKSgranted 2023-03-21cancelled 2023-04-08
Successor callsigns
Callsigns held now by people who previously held KC0ARJ.
- ANTOSZEWSKI JR, TERENCE RKSgranted 2023-05-16
All historical holders
Every license row we've seen with the callsign KC0ARJ, oldest first.
- GRAVES, JULIA K MO1997-04-25 → cancelled 2009-04-28
- ANTOSZEWSKI JR, TERENCE R KS2023-04-08 → cancelled 2023-05-16