Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RB callsign genealogy
Currently held by Kochis Jr, Andrew 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 KX4RB's current licensee, walking backwards.
- Kochis Jr, Andrew AALgranted 2016-01-06cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held KX4RB.
No current licensee on record previously held this callsign.