Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1JIN callsign genealogy
Currently held by Barbalic, Michael A
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 KA1JIN's current licensee, walking backwards.
- Barbalic, Michael AILgranted 2020-05-22cancelled 2024-07-16
Successor callsigns
Callsigns held now by people who previously held KA1JIN.
No current licensee on record previously held this callsign.