Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WXT callsign genealogy
Currently held by SISK JR, JEFFERSON L
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 N0WXT's current licensee, walking backwards.
- Lamaack, Anthony CMNgranted 2014-01-28cancelled 2014-02-28
Successor callsigns
Callsigns held now by people who previously held N0WXT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WXT, oldest first.
- SISK JR, JEFFERSON L MO1993-05-18 → cancelled 2005-05-19
- Lamaack, Anthony C MN2025-04-23 active