Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0SIK callsign genealogy
Currently held by Kosik, Stephen M
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 K0SIK's current licensee, walking backwards.
- Kosik, Stephen MMNgranted 2001-02-26cancelled 2004-10-05
Successor callsigns
Callsigns held now by people who previously held K0SIK.
No current licensee on record previously held this callsign.