Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS5Z callsign genealogy
Currently held by Shidler, John C
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 NS5Z's current licensee, walking backwards.
- STOLL, ZACHARY MMIgranted 2017-04-18cancelled 2024-03-01
Successor callsigns
Callsigns held now by people who previously held NS5Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS5Z, oldest first.
- Shidler, John C LA2014-05-27 → cancelled 2022-02-11
- STOLL, ZACHARY M MI2024-03-01 active