Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3ZAC callsign genealogy
Currently held by Gibson, Cory D
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 KB3ZAC's current licensee, walking backwards.
- High, Zachary EPAgranted 2024-09-06cancelled 2024-10-16
Successor callsigns
Callsigns held now by people who previously held KB3ZAC.
- Gibson, Cory DOHgranted 2013-09-27cancelled 2021-05-21
All historical holders
Every license row we've seen with the callsign KB3ZAC, oldest first.
- Gibson, Cory D PA2012-07-25 → cancelled 2013-09-27
- High, Zachary E PA2024-10-16 active