Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3ZAK callsign genealogy
Currently held by Harris, Zachary
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 K3ZAK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3ZAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ZAK, oldest first.
- Miller, Zachary C PA2014-04-04 → cancelled 2026-04-07
- Harris, Zachary MD2026-05-05 active