Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI5TYS callsign genealogy
Currently held by Feemster, John 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 KI5TYS's current licensee, walking backwards.
- Feemster, John TTXgranted 2021-12-08cancelled 2022-01-25
Successor callsigns
Callsigns held now by people who previously held KI5TYS.
No current licensee on record previously held this callsign.