Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ZAC callsign genealogy
Currently held by Shepard, Zachary L
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 K9ZAC's current licensee, walking backwards.
- Shepard, Zachary LIDgranted 2009-03-10cancelled 2009-11-24
Successor callsigns
Callsigns held now by people who previously held K9ZAC.
No current licensee on record previously held this callsign.