Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ZEN callsign genealogy
Currently held by MILLER, BRIAN K
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 K3ZEN's current licensee, walking backwards.
- Reinhart, RobertORgranted 2021-09-21cancelled 2021-10-09
Successor callsigns
Callsigns held now by people who previously held K3ZEN.
- Miller, Brian KPAgranted 2002-03-21cancelled 2005-05-27
All historical holders
Every license row we've seen with the callsign K3ZEN, oldest first.
- MILLER, BRIAN K PA1999-02-26 → cancelled 2002-03-21
- Reinhart, Robert R OR2021-10-09 active