Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4BS callsign genealogy
Currently held by ALDRICH, YU P
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 KZ4BS's current licensee, walking backwards.
- ALDRICH, YU PVAgranted 2016-06-03cancelled 2023-11-02
Successor callsigns
Callsigns held now by people who previously held KZ4BS.
No current licensee on record previously held this callsign.