Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4WY callsign genealogy
Currently held by BLALOCK, JOHN T
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 KZ4WY's current licensee, walking backwards.
- BLALOCK, JOHN TGAgranted 2020-07-31cancelled 2025-09-17
Successor callsigns
Callsigns held now by people who previously held KZ4WY.
No current licensee on record previously held this callsign.