Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1ZBY callsign genealogy
Currently held by KISBY, ZACHARY G
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 K1ZBY's current licensee, walking backwards.
- KISBY, ZACHARY GKSgranted 2018-11-09cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held K1ZBY.
No current licensee on record previously held this callsign.