Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K9API callsign genealogy
Currently held by HANSON, IRIS 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 K9API's current licensee, walking backwards.
- GAUSMANN, ADAM JILgranted 2012-02-14cancelled 2015-02-20
Successor callsigns
Callsigns held now by people who previously held K9API.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9API, oldest first.
- HANSON, IRIS M WA1997-05-20 → cancelled 2009-05-21
- GAUSMANN, ADAM J MO2025-02-08 active