Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1ZZZ callsign genealogy
Currently held by Nowoslawski, Sandra B
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 KC1ZZZ's current licensee, walking backwards.
- Nowoslawski, Sandra BMAgranted 2020-08-25cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held KC1ZZZ.
No current licensee on record previously held this callsign.