Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4OLD callsign genealogy
Currently held by Kalina, Kally J
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 KO4OLD's current licensee, walking backwards.
- Kalina, Kally JVAgranted 2021-02-16cancelled 2021-03-12
Successor callsigns
Callsigns held now by people who previously held KO4OLD.
No current licensee on record previously held this callsign.