Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI0SX callsign genealogy
Currently held by MARSHALL, STEPHEN K
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 KI0SX's current licensee, walking backwards.
- MARSHALL, STEPHEN KMOgranted 2002-02-26cancelled 2006-08-17
- N6VRWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KI0SX.
No current licensee on record previously held this callsign.