Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JZZ callsign genealogy
Currently held by SAUERWEIN, STEVE
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 K5JZZ's current licensee, walking backwards.
- SAUERWEIN, STEVETXgranted 2023-05-31cancelled 2023-07-25
Successor callsigns
Callsigns held now by people who previously held K5JZZ.
No current licensee on record previously held this callsign.