Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4KLQ callsign genealogy
Currently held by Ferreras, Michael 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 KO4KLQ's current licensee, walking backwards.
- Ferreras, Michael JFLgranted 2020-11-19cancelled 2020-12-23
Successor callsigns
Callsigns held now by people who previously held KO4KLQ.
- Ferreras, Michael JFLgranted 2021-01-23