Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9STF callsign genealogy
Currently held by HAMILTON, STEPHENIE
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 K9STF's current licensee, walking backwards.
- HAMILTON, STEPHENIE MNCgranted 2021-03-22cancelled 2021-04-09
Successor callsigns
Callsigns held now by people who previously held K9STF.
No current licensee on record previously held this callsign.