Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DJZ callsign genealogy
Currently held by Zimmerman, Daniel J
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 K9DJZ's current licensee, walking backwards.
- ZIMMERMAN, DANIEL JWIgranted 1997-08-01cancelled 2002-08-16
Successor callsigns
Callsigns held now by people who previously held K9DJZ.
- Zimmerman, Daniel JWIgranted 2023-08-29