Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0STK callsign genealogy
Currently held by HORAN, PATRICK D
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 N0STK's current licensee, walking backwards.
- Zavislak, Michael TCOgranted 2018-01-09cancelled 2018-07-27
Successor callsigns
Callsigns held now by people who previously held N0STK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0STK, oldest first.
- HORAN, PATRICK D MN2002-02-26 → cancelled 2014-05-28
- Zavislak, Michael T MI2018-07-27 active