Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8ZAC callsign genealogy
Currently held by KNAPP, GORDON 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 K8ZAC's current licensee, walking backwards.
- Morrison, Zachary EOHgranted 2015-01-23cancelled 2016-01-26
Successor callsigns
Callsigns held now by people who previously held K8ZAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8ZAC, oldest first.
- KNAPP, GORDON G MI1992-07-28 → cancelled 2004-07-29
- Morrison, Zachary E OH2016-01-26 active