Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3QZD callsign genealogy
Currently held by ZIMMERMAN, KARL T
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 K3QZD's current licensee, walking backwards.
- ZIMMERMAN, KARL TPAgranted 2023-09-26cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held K3QZD.
No current licensee on record previously held this callsign.