Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6NTZ callsign genealogy
Currently held by Schulmeyer, Denise
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 KC6NTZ's current licensee, walking backwards.
- Schulmeyer, DeniseCAgranted 2015-08-31cancelled 2015-09-18
Successor callsigns
Callsigns held now by people who previously held KC6NTZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6NTZ, oldest first.
- SCHULMEYER, RON CA2001-06-28 → cancelled 2013-09-11
- Schulmeyer, Denise CA2025-09-12 active