Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4LOE callsign genealogy
Currently held by Brewer III, Joseph B
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 KO4LOE'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 KO4LOE.
- Brewer III, Joseph BFLgranted 2021-02-17cancelled 2021-04-06