Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB9IKO callsign genealogy
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 KB9IKO's current licensee, walking backwards.
- Gasper, Steven DWIgranted 2003-05-20cancelled 2003-06-25
Successor callsigns
Callsigns held now by people who previously held KB9IKO.
- FIELD, SEYMOUR CILgranted 1998-04-22cancelled 2010-04-23
All historical holders
Every license row we've seen with the callsign KB9IKO, oldest first.
- Gasper, Steven D WI2023-04-26 active
- —— → cancelled 1998-04-22