Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4ZGG callsign genealogy
Currently held by Polk County Public Schools Radio Society
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 KO4ZGG's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO4ZGG.
- W4PSRactivePolk County Public Schools Radio SocietyFLgranted 2022-04-23