Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9ZN callsign genealogy
Currently held by DHOM, ROBERT H
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 K9ZN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9ZN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9ZN, oldest first.
- DHOM, ROBERT H IL2012-07-31 → cancelled 2017-12-15
- Robitaille, Etienne J WI2020-01-24 active