Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4DE callsign genealogy
Currently held by Andresen, Eric
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 KZ4DE's current licensee, walking backwards.
- Andresen, EricFLgranted 2023-12-16cancelled 2023-12-26
Successor callsigns
Callsigns held now by people who previously held KZ4DE.
No current licensee on record previously held this callsign.