Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1ZSL callsign genealogy
Currently held by FITZGERALD, KENNETH J
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 N1ZSL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1ZSL.
- FITZGERALD, KENNETH JTNgranted 2019-03-19cancelled 2024-02-03
All historical holders
Every license row we've seen with the callsign N1ZSL, oldest first.
- FITZGERALD, KENNETH J TN2018-08-31 → cancelled 2019-03-19
- fitzgerald, kenneth j TN2026-08-11 active