Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4YAI callsign genealogy
Currently held by SMITH, STEPHEN T
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 KI4YAI's current licensee, walking backwards.
- SMITH, STEPHEN TTNgranted 2003-12-16cancelled 2007-07-11
Successor callsigns
Callsigns held now by people who previously held KI4YAI.
- SMITH, STEPHEN TTNgranted 2017-05-31