Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4EOQ callsign genealogy
Currently held by Marse Jr, Bobbie E
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 KO4EOQ'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 KO4EOQ.
- Marse Jr, Bobbie EFLgranted 2020-08-07